149145946 has 16 divisors (see below), whose sum is σ = 234057600. Its totient is φ = 71204320.

The previous prime is 149145943. The next prime is 149145967. The reversal of 149145946 is 649541941.

149145946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (149145943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15496 + ... + 23203.

It is an arithmetic number, because the mean of its divisors is an integer number (14628600).

Almost surely, 2^149145946 is an apocalyptic number.

149145946 is a deficient number, since it is larger than the sum of its proper divisors (84911654).

149145946 is a wasteful number, since it uses less digits than its factorization.

149145946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38789.

The product of its digits is 155520, while the sum is 43.

The square root of 149145946 is about 12212.5323336317. The cubic root of 149145946 is about 530.3189559893.

The spelling of 149145946 in words is "one hundred forty-nine million, one hundred forty-five thousand, nine hundred forty-six".