149415942 has 24 divisors (see below), whose sum is σ = 323589384. Its totient is φ = 45973824.

The previous prime is 149415923. The next prime is 149415949. The reversal of 149415942 is 249514941.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 149415942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149415949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72663 + ... + 74690.

It is an arithmetic number, because the mean of its divisors is an integer number (13482891).

Almost surely, 2^149415942 is an apocalyptic number.

149415942 is an abundant number, since it is smaller than the sum of its proper divisors (174173442).

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

149415942 is a wasteful number, since it uses less digits than its factorization.

149415942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147384 (or 147371 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 149415942 is about 12223.5813900837. The cubic root of 149415942 is about 530.6387717725.

The spelling of 149415942 in words is "one hundred forty-nine million, four hundred fifteen thousand, nine hundred forty-two".