45909098 has 4 divisors (see below), whose sum is σ = 68863650. Its totient is φ = 22954548.

The previous prime is 45909091. The next prime is 45909107. The reversal of 45909098 is 89090954.

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

It can be written as a sum of positive squares in only one way, i.e., 25775929 + 20133169 = 5077^2 + 4487^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45909091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11477273 + ... + 11477276.

Almost surely, 2^45909098 is an apocalyptic number.

45909098 is a deficient number, since it is larger than the sum of its proper divisors (22954552).

45909098 is a wasteful number, since it uses less digits than its factorization.

45909098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22954551.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 45909098 is about 6775.6252847984. The cubic root of 45909098 is about 358.0686124643.

The spelling of 45909098 in words is "forty-five million, nine hundred nine thousand, ninety-eight".