45351438 has 32 divisors (see below), whose sum is σ = 99290880. Its totient is φ = 13695360.

The previous prime is 45351437. The next prime is 45351473. The reversal of 45351438 is 83415354.

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 = 45351399 and 45351408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45351437) 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, 21223 + ... + 23261.

It is an arithmetic number, because the mean of its divisors is an integer number (3102840).

Almost surely, 2^45351438 is an apocalyptic number.

45351438 is an abundant number, since it is smaller than the sum of its proper divisors (53939442).

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

45351438 is a wasteful number, since it uses less digits than its factorization.

45351438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392.

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

The square root of 45351438 is about 6734.3476298748. The cubic root of 45351438 is about 356.6128766622.

The spelling of 45351438 in words is "forty-five million, three hundred fifty-one thousand, four hundred thirty-eight".