149764190 has 16 divisors (see below), whose sum is σ = 269771040. Its totient is φ = 59862240.

The previous prime is 149764189. The next prime is 149764261. The reversal of 149764190 is 91467941.

It is a super-2 number, since 2×149764190² = 44858625212712200, 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, 11591 + ... + 20829.

It is an arithmetic number, because the mean of its divisors is an integer number (16860690).

Almost surely, 2^149764190 is an apocalyptic number.

149764190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149764190 is a deficient number, since it is larger than the sum of its proper divisors (120006850).

149764190 is a wasteful number, since it uses less digits than its factorization.

149764190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10867.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 149764190 is about 12237.8180244683. The cubic root of 149764190 is about 531.0507102087.

The spelling of 149764190 in words is "one hundred forty-nine million, seven hundred sixty-four thousand, one hundred ninety".