102372816154 has 24 divisors (see below), whose sum is σ = 189137775060. Its totient is φ = 41293236096.

The previous prime is 102372816131. The next prime is 102372816173. The reversal of 102372816154 is 451618273201.

It can be written as a sum of positive squares in 2 ways, for example, as 86275550529 + 16097265625 = 293727^2 + 126875^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30722469 + ... + 30725800.

Almost surely, 2^102372816154 is an apocalyptic number.

102372816154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102372816154 is a deficient number, since it is larger than the sum of its proper divisors (86764958906).

102372816154 is a wasteful number, since it uses less digits than its factorization.

102372816154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61448302 (or 61448295 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 102372816154 in words is "one hundred two billion, three hundred seventy-two million, eight hundred sixteen thousand, one hundred fifty-four".