45990126 has 128 divisors (see below), whose sum is σ = 129024000. Its totient is φ = 12065760.

The previous prime is 45990121. The next prime is 45990169. The reversal of 45990126 is 62109954.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45990121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 240691 + ... + 240881.

It is an arithmetic number, because the mean of its divisors is an integer number (1008000).

Almost surely, 2^45990126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45990126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64512000).

45990126 is an abundant number, since it is smaller than the sum of its proper divisors (83033874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45990126 is a wasteful number, since it uses less digits than its factorization.

45990126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 45990126 is about 6781.6020231211. The cubic root of 45990126 is about 358.2791482999.

The spelling of 45990126 in words is "forty-five million, nine hundred ninety thousand, one hundred twenty-six".