45969408 has 156 divisors (see below), whose sum is σ = 140557560. Its totient is φ = 14450688.

The previous prime is 45969403. The next prime is 45969409. The reversal of 45969408 is 80496954.

It is a happy number.

It is a super-2 number, since 2×45969408² = 4226372943740928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45969401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069035 + ... + 1069077.

It is an arithmetic number, because the mean of its divisors is an integer number (901010).

Almost surely, 2^45969408 is an apocalyptic number.

45969408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45969408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70278780).

45969408 is an abundant number, since it is smaller than the sum of its proper divisors (94588152).

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

45969408 is a wasteful number, since it uses less digits than its factorization.

45969408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 45969408 is about 6780.0743358757. The cubic root of 45969408 is about 358.2253400664.

The spelling of 45969408 in words is "forty-five million, nine hundred sixty-nine thousand, four hundred eight".