45152031 has 4 divisors (see below), whose sum is σ = 60202712. Its totient is φ = 30101352.

The previous prime is 45151979. The next prime is 45152053. The reversal of 45152031 is 13025154.

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

It is not a de Polignac number, because 45152031 - 2¹¹ = 45149983 is a prime.

It is a super-2 number, since 2×45152031² = 4077411806849922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45151989 and 45152007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45152071) 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, 7525336 + ... + 7525341.

It is an arithmetic number, because the mean of its divisors is an integer number (15050678).

Almost surely, 2^45152031 is an apocalyptic number.

45152031 is a deficient number, since it is larger than the sum of its proper divisors (15050681).

45152031 is a wasteful number, since it uses less digits than its factorization.

45152031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15050680.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 45152031 is about 6719.5260993615. The cubic root of 45152031 is about 356.0894417147.

Adding to 45152031 its reverse (13025154), we get a palindrome (58177185).

It can be divided in two parts, 45 and 152031, that added together give a triangular number (152076 = T₅₅₁).

The spelling of 45152031 in words is "forty-five million, one hundred fifty-two thousand, thirty-one".