157294452 has 24 divisors (see below), whose sum is σ = 419452096. Its totient is φ = 44941248.

The previous prime is 157294439. The next prime is 157294457. The reversal of 157294452 is 254492751.

It is a self number, because there is not a number n which added to its sum of digits gives 157294452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157294457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936193 + ... + 936360.

Almost surely, 2^157294452 is an apocalyptic number.

157294452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157294452 is an abundant number, since it is smaller than the sum of its proper divisors (262157644).

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

157294452 is a wasteful number, since it uses less digits than its factorization.

157294452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872567 (or 1872565 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 157294452 is about 12541.7084960543. The cubic root of 157294452 is about 539.8061169530.

The spelling of 157294452 in words is "one hundred fifty-seven million, two hundred ninety-four thousand, four hundred fifty-two".