45975949 has 2 divisors, whose sum is σ = 45975950. Its totient is φ = 45975948.

The previous prime is 45975929. The next prime is 45975977. The reversal of 45975949 is 94957954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45562500 + 413449 = 6750^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 45975949 - 2¹⁵ = 45943181 is a prime.

It is a super-2 number, since 2×45975949² = 4227575772901202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45975896 and 45975905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45975929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22987974 + 22987975.

It is an arithmetic number, because the mean of its divisors is an integer number (22987975).

Almost surely, 2^45975949 is an apocalyptic number.

It is an amenable number.

45975949 is a deficient number, since it is larger than the sum of its proper divisors (1).

45975949 is an equidigital number, since it uses as much as digits as its factorization.

45975949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 52.

The square root of 45975949 is about 6780.5566880604. The cubic root of 45975949 is about 358.2423299221.

The spelling of 45975949 in words is "forty-five million, nine hundred seventy-five thousand, nine hundred forty-nine".