153021340 has 24 divisors (see below), whose sum is σ = 322035840. Its totient is φ = 61076928.

The previous prime is 153021329. The next prime is 153021377. The reversal of 153021340 is 43120351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594 + ... + 17566.

It is an arithmetic number, because the mean of its divisors is an integer number (13418160).

Almost surely, 2^153021340 is an apocalyptic number.

153021340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153021340 is an abundant number, since it is smaller than the sum of its proper divisors (169014500).

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

153021340 is a wasteful number, since it uses less digits than its factorization.

153021340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16461 (or 16459 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 153021340 is about 12370.1794651492. The cubic root of 153021340 is about 534.8729893273.

Adding to 153021340 its reverse (43120351), we get a palindrome (196141691).

The spelling of 153021340 in words is "one hundred fifty-three million, twenty-one thousand, three hundred forty".