45142023 has 16 divisors (see below), whose sum is σ = 61276160. Its totient is φ = 29556576.

The previous prime is 45142007. The next prime is 45142033. The reversal of 45142023 is 32024154.

It is not a de Polignac number, because 45142023 - 2⁴ = 45142007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45142033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40986 + ... + 42072.

It is an arithmetic number, because the mean of its divisors is an integer number (3829760).

Almost surely, 2^45142023 is an apocalyptic number.

45142023 is a deficient number, since it is larger than the sum of its proper divisors (16134137).

45142023 is a wasteful number, since it uses less digits than its factorization.

45142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 45142023 is about 6718.7813627175. The cubic root of 45142023 is about 356.0631305582.

Adding to 45142023 its reverse (32024154), we get a palindrome (77166177).

The spelling of 45142023 in words is "forty-five million, one hundred forty-two thousand, twenty-three".