157102341554 has 8 divisors (see below), whose sum is σ = 236682567660. Its totient is φ = 78208152336.

The previous prime is 157102341551. The next prime is 157102341569. The reversal of 157102341554 is 455143201751.

It can be written as a sum of positive squares in 2 ways, for example, as 156724933225 + 377408329 = 395885^2 + 19427^2 .

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

It is a super-2 number, since 2×157102341554² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157102341551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171508649 + ... + 171509564.

Almost surely, 2^157102341554 is an apocalyptic number.

157102341554 is a deficient number, since it is larger than the sum of its proper divisors (79580226106).

157102341554 is a wasteful number, since it uses less digits than its factorization.

157102341554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343018444.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 157102341554 in words is "one hundred fifty-seven billion, one hundred two million, three hundred forty-one thousand, five hundred fifty-four".