157430030 has 32 divisors (see below), whose sum is σ = 303168096. Its totient is φ = 58650624.

The previous prime is 157430011. The next prime is 157430051. The reversal of 157430030 is 30034751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 157429978 and 157430005.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11717 + ... + 21263.

It is an arithmetic number, because the mean of its divisors is an integer number (9474003).

Almost surely, 2^157430030 is an apocalyptic number.

157430030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157430030 is a deficient number, since it is larger than the sum of its proper divisors (145738066).

157430030 is a wasteful number, since it uses less digits than its factorization.

157430030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 157430030 is about 12547.1124168073. The cubic root of 157430030 is about 539.9611654743.

Adding to 157430030 its reverse (30034751), we get a palindrome (187464781).

The spelling of 157430030 in words is "one hundred fifty-seven million, four hundred thirty thousand, thirty".