149190810 has 32 divisors (see below), whose sum is σ = 379121472. Its totient is φ = 37443840.

The previous prime is 149190799. The next prime is 149190823. The reversal of 149190810 is 18091941.

It is a super-2 number, since 2×149190810² = 44515795576912200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145756 + ... + 146775.

It is an arithmetic number, because the mean of its divisors is an integer number (11847546).

Almost surely, 2^149190810 is an apocalyptic number.

149190810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149190810 is an abundant number, since it is smaller than the sum of its proper divisors (229930662).

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

149190810 is a wasteful number, since it uses less digits than its factorization.

149190810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292558.

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 149190810 is about 12214.3689972098. The cubic root of 149190810 is about 530.3721250385.

The spelling of 149190810 in words is "one hundred forty-nine million, one hundred ninety thousand, eight hundred ten".