149693545 has 16 divisors (see below), whose sum is σ = 189826560. Its totient is φ = 113091264.

The previous prime is 149693521. The next prime is 149693567. The reversal of 149693545 is 545396941.

It is a cyclic number.

It is not a de Polignac number, because 149693545 - 2⁷ = 149693417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149693495 and 149693504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847 + ... + 17323.

It is an arithmetic number, because the mean of its divisors is an integer number (11864160).

Almost surely, 2^149693545 is an apocalyptic number.

It is an amenable number.

149693545 is a deficient number, since it is larger than the sum of its proper divisors (40133015).

149693545 is a wasteful number, since it uses less digits than its factorization.

149693545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584.

The product of its digits is 583200, while the sum is 46.

The square root of 149693545 is about 12234.9313443108. The cubic root of 149693545 is about 530.9671967469.

The spelling of 149693545 in words is "one hundred forty-nine million, six hundred ninety-three thousand, five hundred forty-five".