149802536 has 64 divisors (see below), whose sum is σ = 325382400. Its totient is φ = 64067328.

The previous prime is 149802511. The next prime is 149802557. The reversal of 149802536 is 635208941.

It is a happy number.

149802536 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 149802536.

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, 92066 + ... + 93678.

It is an arithmetic number, because the mean of its divisors is an integer number (5084100).

Almost surely, 2^149802536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149802536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162691200).

149802536 is an abundant number, since it is smaller than the sum of its proper divisors (175579864).

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

149802536 is a wasteful number, since it uses less digits than its factorization.

149802536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 149802536 is about 12239.3846250537. The cubic root of 149802536 is about 531.0960301942.

The spelling of 149802536 in words is "one hundred forty-nine million, eight hundred two thousand, five hundred thirty-six".