152990220 has 96 divisors (see below), whose sum is σ = 437976000. Its totient is φ = 39896064.

The previous prime is 152990219. The next prime is 152990221. The reversal of 152990220 is 22099251.

It is an interprime number because it is at equal distance from previous prime (152990219) and next prime (152990221).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (152990221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 974382 + ... + 974538.

It is an arithmetic number, because the mean of its divisors is an integer number (4562250).

Almost surely, 2^152990220 is an apocalyptic number.

152990220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152990220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218988000).

152990220 is an abundant number, since it is smaller than the sum of its proper divisors (284985780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152990220 is a wasteful number, since it uses less digits than its factorization.

152990220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 152990220 is about 12368.9215374664. The cubic root of 152990220 is about 534.8367277708.

It can be divided in two parts, 15 and 2990220, that added together give a triangular number (2990235 = T₂₄₄₅).

The spelling of 152990220 in words is "one hundred fifty-two million, nine hundred ninety thousand, two hundred twenty".