157240746500 has 24 divisors (see below), whose sum is σ = 343413791448. Its totient is φ = 62896298400.

The previous prime is 157240746493. The next prime is 157240746569. The reversal of 157240746500 is 5647042751.

It can be written as a sum of positive squares in 4 ways, for example, as 16680239104 + 140560507396 = 129152^2 + 374914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157240247 + ... + 157241246.

It is an arithmetic number, because the mean of its divisors is an integer number (14308907977).

Almost surely, 2^157240746500 is an apocalyptic number.

157240746500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157240746500 is an abundant number, since it is smaller than the sum of its proper divisors (186173044948).

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

157240746500 is a wasteful number, since it uses less digits than its factorization.

157240746500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314481512 (or 314481500 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 157240746500 in words is "one hundred fifty-seven billion, two hundred forty million, seven hundred forty-six thousand, five hundred".