149764810 has 16 divisors (see below), whose sum is σ = 290313576. Its totient is φ = 55297728.

The previous prime is 149764777. The next prime is 149764831. The reversal of 149764810 is 18467941.

It can be written as a sum of positive squares in 4 ways, for example, as 100020001 + 49744809 = 10001^2 + 7053^2 .

It is a super-2 number, since 2×149764810² = 44858996628672200, which contains 22 as substring.

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, 575889 + ... + 576148.

Almost surely, 2^149764810 is an apocalyptic number.

149764810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149764810 is a deficient number, since it is larger than the sum of its proper divisors (140548766).

149764810 is a wasteful number, since it uses less digits than its factorization.

149764810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152057.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 149764810 is about 12237.8433557551. The cubic root of 149764810 is about 531.0514430296.

The spelling of 149764810 in words is "one hundred forty-nine million, seven hundred sixty-four thousand, eight hundred ten".