146229552 has 60 divisors (see below), whose sum is σ = 467705680. Its totient is φ = 41779584.

The previous prime is 146229547. The next prime is 146229569. The reversal of 146229552 is 255922641.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71527 + ... + 73542.

Almost surely, 2^146229552 is an apocalyptic number.

146229552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146229552 is an abundant number, since it is smaller than the sum of its proper divisors (321476128).

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

146229552 is a wasteful number, since it uses less digits than its factorization.

146229552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145090 (or 145081 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 146229552 is about 12092.5411721441. The cubic root of 146229552 is about 526.8395658004.

The spelling of 146229552 in words is "one hundred forty-six million, two hundred twenty-nine thousand, five hundred fifty-two".