149146940 has 12 divisors (see below), whose sum is σ = 313208616. Its totient is φ = 59658768.

The previous prime is 149146939. The next prime is 149146951. The reversal of 149146940 is 49641941.

It is a super-2 number, since 2×149146940² = 44489619422727200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149146894 and 149146903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728654 + ... + 3728693.

It is an arithmetic number, because the mean of its divisors is an integer number (26100718).

Almost surely, 2^149146940 is an apocalyptic number.

149146940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149146940 is an abundant number, since it is smaller than the sum of its proper divisors (164061676).

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

149146940 is a wasteful number, since it uses less digits than its factorization.

149146940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457356 (or 7457354 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 149146940 is about 12212.5730294643. The cubic root of 149146940 is about 530.3201341102.

The spelling of 149146940 in words is "one hundred forty-nine million, one hundred forty-six thousand, nine hundred forty".