45274142 has 4 divisors (see below), whose sum is σ = 67911216. Its totient is φ = 22637070.

The previous prime is 45274123. The next prime is 45274147. The reversal of 45274142 is 24147254.

45274142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24147254 = 2 ⋅12073627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45274147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11318534 + ... + 11318537.

It is an arithmetic number, because the mean of its divisors is an integer number (16977804).

Almost surely, 2^45274142 is an apocalyptic number.

45274142 is a deficient number, since it is larger than the sum of its proper divisors (22637074).

45274142 is a wasteful number, since it uses less digits than its factorization.

45274142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22637073.

The product of its digits is 8960, while the sum is 29.

The square root of 45274142 is about 6728.6062449812. The cubic root of 45274142 is about 356.4101603851.

The spelling of 45274142 in words is "forty-five million, two hundred seventy-four thousand, one hundred forty-two".