149085545 has 16 divisors (see below), whose sum is σ = 204660480. Its totient is φ = 102129984.

The previous prime is 149085527. The next prime is 149085557. The reversal of 149085545 is 545580941.

It is a cyclic number.

It is not a de Polignac number, because 149085545 - 2⁸ = 149085289 is a prime.

It is a Curzon number.

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, 61211 + ... + 63599.

It is an arithmetic number, because the mean of its divisors is an integer number (12791280).

Almost surely, 2^149085545 is an apocalyptic number.

It is an amenable number.

149085545 is a deficient number, since it is larger than the sum of its proper divisors (55574935).

149085545 is a wasteful number, since it uses less digits than its factorization.

149085545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 149085545 is about 12210.0591726658. The cubic root of 149085545 is about 530.2473569479.

The spelling of 149085545 in words is "one hundred forty-nine million, eighty-five thousand, five hundred forty-five".