45212532131 has 8 divisors (see below), whose sum is σ = 49237503840. Its totient is φ = 41265715392.

The previous prime is 45212532109. The next prime is 45212532139. The reversal of 45212532131 is 13123521254.

45212532131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45212532131 - 2⁶ = 45212532067 is a prime.

It is a super-2 number, since 2×45212532131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45212532094 and 45212532103.

It is not an unprimeable number, because it can be changed into a prime (45212532139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19537535 + ... + 19539848.

It is an arithmetic number, because the mean of its divisors is an integer number (6154687980).

Almost surely, 2^45212532131 is an apocalyptic number.

45212532131 is a deficient number, since it is larger than the sum of its proper divisors (4024971709).

45212532131 is a wasteful number, since it uses less digits than its factorization.

45212532131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39077485.

The product of its digits is 7200, while the sum is 29.

The spelling of 45212532131 in words is "forty-five billion, two hundred twelve million, five hundred thirty-two thousand, one hundred thirty-one".