45972629 has 4 divisors (see below), whose sum is σ = 46032876. Its totient is φ = 45912384.

The previous prime is 45972617. The next prime is 45972631. The reversal of 45972629 is 92627954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92627954 = 2 ⋅46313977.

It can be written as a sum of positive squares in 2 ways, for example, as 15225604 + 30747025 = 3902^2 + 5545^2 .

It is a cyclic number.

It is not a de Polignac number, because 45972629 - 2⁴ = 45972613 is a prime.

It is a super-2 number, since 2×45972629² = 4226965234343282, which 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 45972629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45972649) 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, 28964 + ... + 30509.

It is an arithmetic number, because the mean of its divisors is an integer number (11508219).

Almost surely, 2^45972629 is an apocalyptic number.

It is an amenable number.

45972629 is a deficient number, since it is larger than the sum of its proper divisors (60247).

45972629 is an equidigital number, since it uses as much as digits as its factorization.

45972629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60246.

The product of its digits is 272160, while the sum is 44.

The square root of 45972629 is about 6780.3118659837. The cubic root of 45972629 is about 358.2337066224.

The spelling of 45972629 in words is "forty-five million, nine hundred seventy-two thousand, six hundred twenty-nine".