45400641 has 16 divisors (see below), whose sum is σ = 71117760. Its totient is φ = 25398720.

The previous prime is 45400639. The next prime is 45400657. The reversal of 45400641 is 14600454.

It is not a de Polignac number, because 45400641 - 2¹ = 45400639 is a prime.

It is a super-2 number, since 2×45400641² = 4122436406421762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45400661) 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, 52486 + ... + 53343.

It is an arithmetic number, because the mean of its divisors is an integer number (4444860).

Almost surely, 2^45400641 is an apocalyptic number.

It is an amenable number.

45400641 is a deficient number, since it is larger than the sum of its proper divisors (25717119).

45400641 is a wasteful number, since it uses less digits than its factorization.

45400641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105856.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 45400641 is about 6737.9997773820. Note that the first 3 decimals coincide. The cubic root of 45400641 is about 356.7417963645.

The spelling of 45400641 in words is "forty-five million, four hundred thousand, six hundred forty-one".