157147550 has 24 divisors (see below), whose sum is σ = 334051536. Its totient is φ = 53879040.

The previous prime is 157147517. The next prime is 157147561. The reversal of 157147550 is 55741751.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 157147550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224147 + ... + 224846.

It is an arithmetic number, because the mean of its divisors is an integer number (13918814).

Almost surely, 2^157147550 is an apocalyptic number.

157147550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157147550 is an abundant number, since it is smaller than the sum of its proper divisors (176903986).

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

157147550 is a wasteful number, since it uses less digits than its factorization.

157147550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449012 (or 449007 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 35.

The square root of 157147550 is about 12535.8505894096. The cubic root of 157147550 is about 539.6380175775.

The spelling of 157147550 in words is "one hundred fifty-seven million, one hundred forty-seven thousand, five hundred fifty".