45513398 has 16 divisors (see below), whose sum is σ = 82129920. Its totient is φ = 18479016.

The previous prime is 45513397. The next prime is 45513407. The reversal of 45513398 is 89331554.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45513397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85286 + ... + 85817.

It is an arithmetic number, because the mean of its divisors is an integer number (5133120).

Almost surely, 2^45513398 is an apocalyptic number.

45513398 is a deficient number, since it is larger than the sum of its proper divisors (36616522).

45513398 is a wasteful number, since it uses less digits than its factorization.

45513398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171131.

The product of its digits is 64800, while the sum is 38.

The square root of 45513398 is about 6746.3618343519. The cubic root of 45513398 is about 357.0368867618.

The spelling of 45513398 in words is "forty-five million, five hundred thirteen thousand, three hundred ninety-eight".