149427645 has 32 divisors (see below), whose sum is σ = 246626688. Its totient is φ = 77200128.

The previous prime is 149427611. The next prime is 149427653. The reversal of 149427645 is 546724941.

149427645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149427645 - 2¹⁵ = 149394877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149427597 and 149427606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169947 + ... + 170823.

It is an arithmetic number, because the mean of its divisors is an integer number (7707084).

Almost surely, 2^149427645 is an apocalyptic number.

149427645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149427645 is a deficient number, since it is larger than the sum of its proper divisors (97199043).

149427645 is a wasteful number, since it uses less digits than its factorization.

149427645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229.

The product of its digits is 241920, while the sum is 42.

The square root of 149427645 is about 12224.0600865670. The cubic root of 149427645 is about 530.6526255004.

The spelling of 149427645 in words is "one hundred forty-nine million, four hundred twenty-seven thousand, six hundred forty-five".