45153438 has 32 divisors (see below), whose sum is σ = 99636480. Its totient is φ = 13527360.

The previous prime is 45153421. The next prime is 45153457. The reversal of 45153438 is 83435154.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 45153399 and 45153408.

It is a congruent 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, 2031 + ... + 9717.

It is an arithmetic number, because the mean of its divisors is an integer number (3113640).

Almost surely, 2^45153438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45153438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49818240).

45153438 is an abundant number, since it is smaller than the sum of its proper divisors (54483042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45153438 is a wasteful number, since it uses less digits than its factorization.

45153438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792.

The product of its digits is 28800, while the sum is 33.

The square root of 45153438 is about 6719.6307934291. The cubic root of 45153438 is about 356.0931404235.

The spelling of 45153438 in words is "forty-five million, one hundred fifty-three thousand, four hundred thirty-eight".