45672139 has 2 divisors, whose sum is σ = 45672140. Its totient is φ = 45672138.

The previous prime is 45672131. The next prime is 45672163. The reversal of 45672139 is 93127654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45672139 - 2³ = 45672131 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 45672098 and 45672107.

It is not a weakly prime, because it can be changed into another prime (45672131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22836069 + 22836070.

It is an arithmetic number, because the mean of its divisors is an integer number (22836070).

Almost surely, 2^45672139 is an apocalyptic number.

45672139 is a deficient number, since it is larger than the sum of its proper divisors (1).

45672139 is an equidigital number, since it uses as much as digits as its factorization.

45672139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 45672139 is about 6758.1165275541. The cubic root of 45672139 is about 357.4514945520.

The spelling of 45672139 in words is "forty-five million, six hundred seventy-two thousand, one hundred thirty-nine".