149696645 has 64 divisors (see below), whose sum is σ = 228427776. Its totient is φ = 91852800.

The previous prime is 149696639. The next prime is 149696653. The reversal of 149696645 is 546696941.

It is not a de Polignac number, because 149696645 - 2¹⁸ = 149434501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149696593 and 149696602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1482095 + ... + 1482195.

It is an arithmetic number, because the mean of its divisors is an integer number (3569184).

Almost surely, 2^149696645 is an apocalyptic number.

It is an amenable number.

149696645 is a deficient number, since it is larger than the sum of its proper divisors (78731131).

149696645 is a wasteful number, since it uses less digits than its factorization.

149696645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its digits is 1399680, while the sum is 50.

The square root of 149696645 is about 12235.0580301035. The cubic root of 149696645 is about 530.9708619839.

The spelling of 149696645 in words is "one hundred forty-nine million, six hundred ninety-six thousand, six hundred forty-five".