45992145 has 16 divisors (see below), whose sum is σ = 73772352. Its totient is φ = 24467520.

The previous prime is 45992129. The next prime is 45992159. The reversal of 45992145 is 54129954.

It is not a de Polignac number, because 45992145 - 2⁴ = 45992129 is a prime.

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, 2674 + ... + 9956.

It is an arithmetic number, because the mean of its divisors is an integer number (4610772).

Almost surely, 2^45992145 is an apocalyptic number.

It is an amenable number.

45992145 is a deficient number, since it is larger than the sum of its proper divisors (27780207).

45992145 is a wasteful number, since it uses less digits than its factorization.

45992145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7712.

The product of its digits is 64800, while the sum is 39.

The square root of 45992145 is about 6781.7508801194. The cubic root of 45992145 is about 358.2843911283.

It can be divided in two parts, 45 and 992145, that multiplied together give a triangular number (44646525 = T₉₄₄₉).

The spelling of 45992145 in words is "forty-five million, nine hundred ninety-two thousand, one hundred forty-five".