102150155402 has 8 divisors (see below), whose sum is σ = 153254983716. Its totient is φ = 51065160832.

The previous prime is 102150155383. The next prime is 102150155431. The reversal of 102150155402 is 204551051201.

It can be written as a sum of positive squares in 2 ways, for example, as 101964623761 + 185531641 = 319319^2 + 13621^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4945553 + ... + 4966164.

Almost surely, 2^102150155402 is an apocalyptic number.

102150155402 is a deficient number, since it is larger than the sum of its proper divisors (51104828314).

102150155402 is an equidigital number, since it uses as much as digits as its factorization.

102150155402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916872.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 102150155402 in words is "one hundred two billion, one hundred fifty million, one hundred fifty-five thousand, four hundred two".