157557450 has 48 divisors (see below), whose sum is σ = 391510656. Its totient is φ = 41932800.

The previous prime is 157557437. The next prime is 157557451. The reversal of 157557450 is 54755751.

157557450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 157557399 and 157557408.

It is not an unprimeable number, because it can be changed into a prime (157557451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136074 + ... + 137226.

It is an arithmetic number, because the mean of its divisors is an integer number (8156472).

Almost surely, 2^157557450 is an apocalyptic number.

157557450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157557450 is an abundant number, since it is smaller than the sum of its proper divisors (233953206).

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

157557450 is a wasteful number, since it uses less digits than its factorization.

157557450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 39.

The square root of 157557450 is about 12552.1890521136. The cubic root of 157557450 is about 540.1068032916.

The spelling of 157557450 in words is "one hundred fifty-seven million, five hundred fifty-seven thousand, four hundred fifty".