149647442402 has 8 divisors (see below), whose sum is σ = 225599160000. Its totient is φ = 74447722404.

The previous prime is 149647442387. The next prime is 149647442419. The reversal of 149647442402 is 204244746941.

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, 187998902 + ... + 187999697.

It is an arithmetic number, because the mean of its divisors is an integer number (28199895000).

Almost surely, 2^149647442402 is an apocalyptic number.

149647442402 is a deficient number, since it is larger than the sum of its proper divisors (75951717598).

149647442402 is a wasteful number, since it uses less digits than its factorization.

149647442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375998800.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The spelling of 149647442402 in words is "one hundred forty-nine billion, six hundred forty-seven million, four hundred forty-two thousand, four hundred two".