149811190 has 32 divisors (see below), whose sum is σ = 282419136. Its totient is φ = 57108480.

The previous prime is 149811173. The next prime is 149811209. The reversal of 149811190 is 91118941.

It is a super-2 number, since 2×149811190² = 44886785298432200, 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 15 ways as a sum of consecutive naturals, for example, 70950 + ... + 73030.

It is an arithmetic number, because the mean of its divisors is an integer number (8825598).

Almost surely, 2^149811190 is an apocalyptic number.

149811190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149811190 is a deficient number, since it is larger than the sum of its proper divisors (132607946).

149811190 is a wasteful number, since it uses less digits than its factorization.

149811190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424.

The product of its (nonzero) digits is 2592, while the sum is 34.

The square root of 149811190 is about 12239.7381507939. The cubic root of 149811190 is about 531.1062570272.

The spelling of 149811190 in words is "one hundred forty-nine million, eight hundred eleven thousand, one hundred ninety".