149072646 has 8 divisors (see below), whose sum is σ = 298145304. Its totient is φ = 49690880.

The previous prime is 149072639. The next prime is 149072647. The reversal of 149072646 is 646270941.

It is a happy number.

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

149072646 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149072647) 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, 12422715 + ... + 12422726.

It is an arithmetic number, because the mean of its divisors is an integer number (37268163).

Almost surely, 2^149072646 is an apocalyptic number.

149072646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149072646 is a wasteful number, since it uses less digits than its factorization.

149072646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24845446.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 149072646 is about 12209.5309492216. The cubic root of 149072646 is about 530.2320640324.

The spelling of 149072646 in words is "one hundred forty-nine million, seventy-two thousand, six hundred forty-six".