30157154 has 8 divisors (see below), whose sum is σ = 45465948. Its totient is φ = 15001840.

The previous prime is 30157111. The next prime is 30157157. The reversal of 30157154 is 45175103.

It can be written as a sum of positive squares in 2 ways, for example, as 29408929 + 748225 = 5423^2 + 865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30157157) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37877 + ... + 38664.

Almost surely, 2^30157154 is an apocalyptic number.

30157154 is a deficient number, since it is larger than the sum of its proper divisors (15308794).

30157154 is a wasteful number, since it uses less digits than its factorization.

30157154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76740.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 30157154 is about 5491.5529679682. The cubic root of 30157154 is about 311.2648770597.

The spelling of 30157154 in words is "thirty million, one hundred fifty-seven thousand, one hundred fifty-four".