45553142 has 16 divisors (see below), whose sum is σ = 72599760. Its totient is φ = 21395808.

The previous prime is 45553117. The next prime is 45553159. The reversal of 45553142 is 24135554.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8468 + ... + 12759.

It is an arithmetic number, because the mean of its divisors is an integer number (4537485).

Almost surely, 2^45553142 is an apocalyptic number.

45553142 is a deficient number, since it is larger than the sum of its proper divisors (27046618).

45553142 is a wasteful number, since it uses less digits than its factorization.

45553142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21295.

The product of its digits is 12000, while the sum is 29.

The square root of 45553142 is about 6749.3067792181. The cubic root of 45553142 is about 357.1407825099.

Adding to 45553142 its reverse (24135554), we get a palindrome (69688696).

The spelling of 45553142 in words is "forty-five million, five hundred fifty-three thousand, one hundred forty-two".