157207030 has 16 divisors (see below), whose sum is σ = 284160960. Its totient is φ = 62618752.

The previous prime is 157207021. The next prime is 157207031. The reversal of 157207030 is 30702751.

It is a junction number, because it is equal to n+sod(n) for n = 157206986 and 157207004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157207031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30499 + ... + 35278.

It is an arithmetic number, because the mean of its divisors is an integer number (17760060).

Almost surely, 2^157207030 is an apocalyptic number.

157207030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157207030 is a deficient number, since it is larger than the sum of its proper divisors (126953930).

157207030 is a wasteful number, since it uses less digits than its factorization.

157207030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66023.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 157207030 is about 12538.2227608222. Note that the first 3 decimals coincide. The cubic root of 157207030 is about 539.7060929213.

Adding to 157207030 its reverse (30702751), we get a palindrome (187909781).

The spelling of 157207030 in words is "one hundred fifty-seven million, two hundred seven thousand, thirty".