45841531 has 2 divisors, whose sum is σ = 45841532. Its totient is φ = 45841530.

The previous prime is 45841517. The next prime is 45841559. The reversal of 45841531 is 13514854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45841531 - 2¹⁷ = 45710459 is a prime.

It is a super-2 number, since 2×45841531² = 4202891928847922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45841493 and 45841502.

It is not a weakly prime, because it can be changed into another prime (45841511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22920765 + 22920766.

It is an arithmetic number, because the mean of its divisors is an integer number (22920766).

Almost surely, 2^45841531 is an apocalyptic number.

45841531 is a deficient number, since it is larger than the sum of its proper divisors (1).

45841531 is an equidigital number, since it uses as much as digits as its factorization.

45841531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 31.

The square root of 45841531 is about 6770.6374146014. The cubic root of 45841531 is about 357.8928629815.

The spelling of 45841531 in words is "forty-five million, eight hundred forty-one thousand, five hundred thirty-one".