149226140 has 24 divisors (see below), whose sum is σ = 358143072. Its totient is φ = 51163200.

The previous prime is 149226131. The next prime is 149226149. The reversal of 149226140 is 41622941.

It is an interprime number because it is at equal distance from previous prime (149226131) and next prime (149226149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149226149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532811 + ... + 533090.

It is an arithmetic number, because the mean of its divisors is an integer number (14922628).

Almost surely, 2^149226140 is an apocalyptic number.

149226140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149226140 is an abundant number, since it is smaller than the sum of its proper divisors (208916932).

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

149226140 is a wasteful number, since it uses less digits than its factorization.

149226140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065917 (or 1065915 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 149226140 is about 12215.8151590469. The cubic root of 149226140 is about 530.4139876891.

The spelling of 149226140 in words is "one hundred forty-nine million, two hundred twenty-six thousand, one hundred forty".