149189502 has 32 divisors (see below), whose sum is σ = 372006144. Its totient is φ = 38750400.

The previous prime is 149189497. The next prime is 149189549. The reversal of 149189502 is 205981941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160999 + ... + 161922.

It is an arithmetic number, because the mean of its divisors is an integer number (11625192).

Almost surely, 2^149189502 is an apocalyptic number.

149189502 is an abundant number, since it is smaller than the sum of its proper divisors (222816642).

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

149189502 is a wasteful number, since it uses less digits than its factorization.

149189502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322944.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 149189502 is about 12214.3154535979. The cubic root of 149189502 is about 530.3705750575.

The spelling of 149189502 in words is "one hundred forty-nine million, one hundred eighty-nine thousand, five hundred two".