45837109 has 2 divisors, whose sum is σ = 45837110. Its totient is φ = 45837108.

The previous prime is 45837053. The next prime is 45837149. The reversal of 45837109 is 90173854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39025009 + 6812100 = 6247^2 + 2610^2 .

It is a cyclic number.

It is not a de Polignac number, because 45837109 - 2⁹ = 45836597 is a prime.

It is a super-2 number, since 2×45837109² = 4202081122955762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45837149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22918554 + 22918555.

It is an arithmetic number, because the mean of its divisors is an integer number (22918555).

Almost surely, 2^45837109 is an apocalyptic number.

It is an amenable number.

45837109 is a deficient number, since it is larger than the sum of its proper divisors (1).

45837109 is an equidigital number, since it uses as much as digits as its factorization.

45837109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 45837109 is about 6770.3108495844. The cubic root of 45837109 is about 357.8813548353.

The spelling of 45837109 in words is "forty-five million, eight hundred thirty-seven thousand, one hundred nine".