157450545 has 48 divisors (see below), whose sum is σ = 317820672. Its totient is φ = 70611840.

The previous prime is 157450507. The next prime is 157450547. The reversal of 157450545 is 545054751.

157450545 is a `hidden beast` number, since 157 + 450 + 54 + 5 = 666.

It is not a de Polignac number, because 157450545 - 2⁷ = 157450417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157450547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11980 + ... + 21410.

It is an arithmetic number, because the mean of its divisors is an integer number (6621264).

Almost surely, 2^157450545 is an apocalyptic number.

157450545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157450545 is an abundant number, since it is smaller than the sum of its proper divisors (160370127).

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

157450545 is a wasteful number, since it uses less digits than its factorization.

157450545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502 (or 9499 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 36.

The square root of 157450545 is about 12547.9299089531. The cubic root of 157450545 is about 539.9846189035.

The spelling of 157450545 in words is "one hundred fifty-seven million, four hundred fifty thousand, five hundred forty-five".