45731401 has 2 divisors, whose sum is σ = 45731402. Its totient is φ = 45731400.

The previous prime is 45731381. The next prime is 45731419. The reversal of 45731401 is 10413754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39075001 + 6656400 = 6251^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 45731401 - 2⁹ = 45730889 is a prime.

It is a super-2 number, since 2×45731401² = 4182722074845602, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45731201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22865700 + 22865701.

It is an arithmetic number, because the mean of its divisors is an integer number (22865701).

Almost surely, 2^45731401 is an apocalyptic number.

It is an amenable number.

45731401 is a deficient number, since it is larger than the sum of its proper divisors (1).

45731401 is an equidigital number, since it uses as much as digits as its factorization.

45731401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 45731401 is about 6762.4996118299. The cubic root of 45731401 is about 357.6060317629.

The spelling of 45731401 in words is "forty-five million, seven hundred thirty-one thousand, four hundred one".