45240031441551 has 4 divisors (see below), whose sum is σ = 60320041922072. Its totient is φ = 30160020961032.

The previous prime is 45240031441529. The next prime is 45240031441567. The reversal of 45240031441551 is 15514413004254.

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

It is not a de Polignac number, because 45240031441551 - 2¹⁵ = 45240031408783 is a prime.

It is a super-2 number, since 2×45240031441551² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45240031441571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7540005240256 + ... + 7540005240261.

It is an arithmetic number, because the mean of its divisors is an integer number (15080010480518).

Almost surely, 2^{45240031441551} is an apocalyptic number.

45240031441551 is a deficient number, since it is larger than the sum of its proper divisors (15080010480521).

45240031441551 is a wasteful number, since it uses less digits than its factorization.

45240031441551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15080010480520.

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 45240031441551 in words is "forty-five trillion, two hundred forty billion, thirty-one million, four hundred forty-one thousand, five hundred fifty-one".