45539970 has 64 divisors (see below), whose sum is σ = 128307456. Its totient is φ = 10126080.

The previous prime is 45539953. The next prime is 45539987. The reversal of 45539970 is 7993554.

It is an interprime number because it is at equal distance from previous prime (45539953) and next prime (45539987).

It is a super-3 number, since 3×45539970³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4840 + ... + 10700.

It is an arithmetic number, because the mean of its divisors is an integer number (2004804).

Almost surely, 2^45539970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45539970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64153728).

45539970 is an abundant number, since it is smaller than the sum of its proper divisors (82767486).

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

45539970 is a wasteful number, since it uses less digits than its factorization.

45539970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 45539970 is about 6748.3309047497. The cubic root of 45539970 is about 357.1063559648.

The spelling of 45539970 in words is "forty-five million, five hundred thirty-nine thousand, nine hundred seventy".