149496820 has 24 divisors (see below), whose sum is σ = 342484128. Its totient is φ = 54362400.

The previous prime is 149496817. The next prime is 149496833. The reversal of 149496820 is 28694941.

149496820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×149496820² = 44698598380224800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339546 + ... + 339985.

It is an arithmetic number, because the mean of its divisors is an integer number (14270172).

Almost surely, 2^149496820 is an apocalyptic number.

149496820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149496820 is an abundant number, since it is smaller than the sum of its proper divisors (192987308).

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

149496820 is a wasteful number, since it uses less digits than its factorization.

149496820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679551 (or 679549 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 149496820 is about 12226.8892200756. The cubic root of 149496820 is about 530.7344984193.

The spelling of 149496820 in words is "one hundred forty-nine million, four hundred ninety-six thousand, eight hundred twenty".