154215302157 has 24 divisors (see below), whose sum is σ = 256520996160. Its totient is φ = 87450330240.

The previous prime is 154215302149. The next prime is 154215302183. The reversal of 154215302157 is 751203512451.

154215302157 is a `hidden beast` number, since 1 + 54 + 2 + 1 + 530 + 21 + 57 = 666.

It is not a de Polignac number, because 154215302157 - 2³ = 154215302149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154215302107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9334732 + ... + 9351237.

It is an arithmetic number, because the mean of its divisors is an integer number (10688374840).

Almost surely, 2^154215302157 is an apocalyptic number.

It is an amenable number.

154215302157 is a deficient number, since it is larger than the sum of its proper divisors (102305694003).

154215302157 is a wasteful number, since it uses less digits than its factorization.

154215302157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18686113 (or 18686110 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 154215302157 in words is "one hundred fifty-four billion, two hundred fifteen million, three hundred two thousand, one hundred fifty-seven".