149676642 has 24 divisors (see below), whose sum is σ = 341368560. Its totient is φ = 47266200.

The previous prime is 149676601. The next prime is 149676643. The reversal of 149676642 is 246676941.

149676642 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 (149676643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218484 + ... + 219167.

It is an arithmetic number, because the mean of its divisors is an integer number (14223690).

Almost surely, 2^149676642 is an apocalyptic number.

149676642 is an abundant number, since it is smaller than the sum of its proper divisors (191691918).

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

149676642 is a wasteful number, since it uses less digits than its factorization.

149676642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437678 (or 437675 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 149676642 is about 12234.2405567326. The cubic root of 149676642 is about 530.9472108565.

It can be divided in two parts, 14967 and 6642, that added together give a square (21609 = 147²).

The spelling of 149676642 in words is "one hundred forty-nine million, six hundred seventy-six thousand, six hundred forty-two".