149464590 has 32 divisors (see below), whose sum is σ = 391326336. Its totient is φ = 36233760.

The previous prime is 149464589. The next prime is 149464597. The reversal of 149464590 is 95464941.

149464590 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149464597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226132 + ... + 226791.

It is an arithmetic number, because the mean of its divisors is an integer number (12228948).

Almost surely, 2^149464590 is an apocalyptic number.

149464590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

149464590 is an abundant number, since it is smaller than the sum of its proper divisors (241861746).

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

149464590 is a wasteful number, since it uses less digits than its factorization.

149464590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452944.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 149464590 is about 12225.5711523020. The cubic root of 149464590 is about 530.6963553509.

The spelling of 149464590 in words is "one hundred forty-nine million, four hundred sixty-four thousand, five hundred ninety".