149812894 has 48 divisors (see below), whose sum is σ = 294437376. Its totient is φ = 56473200.

The previous prime is 149812879. The next prime is 149812913. The reversal of 149812894 is 498218941.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31177 + ... + 35659.

It is an arithmetic number, because the mean of its divisors is an integer number (6134112).

Almost surely, 2^149812894 is an apocalyptic number.

149812894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149812894 is a deficient number, since it is larger than the sum of its proper divisors (144624482).

149812894 is a wasteful number, since it uses less digits than its factorization.

149812894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541 (or 4534 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 149812894 is about 12239.8077599283. The cubic root of 149812894 is about 531.1082706766.

The spelling of 149812894 in words is "one hundred forty-nine million, eight hundred twelve thousand, eight hundred ninety-four".