147855492 has 108 divisors (see below), whose sum is σ = 408285696. Its totient is φ = 45061920.

The previous prime is 147855479. The next prime is 147855493. The reversal of 147855492 is 294558741.

147855492 is a `hidden beast` number, since 1 + 4 + 7 + 8 + 554 + 92 = 666.

It is a super-2 number, since 2×147855492² = 43722493029124128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147855493) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 402693 + ... + 403059.

Almost surely, 2^147855492 is an apocalyptic number.

147855492 is a gapful number since it is divisible by the number (12) 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 147855492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204142848).

147855492 is an abundant number, since it is smaller than the sum of its proper divisors (260430204).

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

147855492 is a wasteful number, since it uses less digits than its factorization.

147855492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 422 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 147855492 is about 12159.5843678968. The cubic root of 147855492 is about 528.7850323016.

The spelling of 147855492 in words is "one hundred forty-seven million, eight hundred fifty-five thousand, four hundred ninety-two".