45403001531 has 4 divisors (see below), whose sum is σ = 45440807064. Its totient is φ = 45365196000.

The previous prime is 45403001509. The next prime is 45403001563. The reversal of 45403001531 is 13510030454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45403001531 - 2⁶ = 45403001467 is a prime.

It is a super-2 number, since 2×45403001531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45403001531.

It is not an unprimeable number, because it can be changed into a prime (45403006531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18900965 + ... + 18903366.

It is an arithmetic number, because the mean of its divisors is an integer number (11360201766).

Almost surely, 2^45403001531 is an apocalyptic number.

45403001531 is a deficient number, since it is larger than the sum of its proper divisors (37805533).

45403001531 is a wasteful number, since it uses less digits than its factorization.

45403001531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37805532.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 45403001531 its reverse (13510030454), we get a palindrome (58913031985).

The spelling of 45403001531 in words is "forty-five billion, four hundred three million, one thousand, five hundred thirty-one".