149869496 has 16 divisors (see below), whose sum is σ = 321149040. Its totient is φ = 64229760.

The previous prime is 149869493. The next prime is 149869507. The reversal of 149869496 is 694968941.

It is a Harshad number since it is a multiple of its sum of digits (56), and also a Moran number because the ratio is a prime number: 2676241 = 149869496 / (1 + 4 + 9 + 8 + 6 + 9 + 4 + 9 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149869493) 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, 1338065 + ... + 1338176.

It is an arithmetic number, because the mean of its divisors is an integer number (20071815).

Almost surely, 2^149869496 is an apocalyptic number.

It is an amenable number.

149869496 is an abundant number, since it is smaller than the sum of its proper divisors (171279544).

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

149869496 is a wasteful number, since it uses less digits than its factorization.

149869496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676254 (or 2676250 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 149869496 is about 12242.1197510889. The cubic root of 149869496 is about 531.1751496667.

The spelling of 149869496 in words is "one hundred forty-nine million, eight hundred sixty-nine thousand, four hundred ninety-six".