157448252 has 12 divisors (see below), whose sum is σ = 296729496. Its totient is φ = 72668400.

The previous prime is 157448233. The next prime is 157448257. The reversal of 157448252 is 252844751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157448257) 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 3 ways as a sum of consecutive naturals, for example, 1513874 + ... + 1513977.

It is an arithmetic number, because the mean of its divisors is an integer number (24727458).

Almost surely, 2^157448252 is an apocalyptic number.

It is an amenable number.

157448252 is a deficient number, since it is larger than the sum of its proper divisors (139281244).

157448252 is a wasteful number, since it uses less digits than its factorization.

157448252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027868 (or 3027866 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 157448252 is about 12547.8385389676. The cubic root of 157448252 is about 539.9819975709.

The spelling of 157448252 in words is "one hundred fifty-seven million, four hundred forty-eight thousand, two hundred fifty-two".