45397950 has 96 divisors (see below), whose sum is σ = 125325312. Its totient is φ = 10800000.

The previous prime is 45397949. The next prime is 45397951. The reversal of 45397950 is 5979354.

It is an interprime number because it is at equal distance from previous prime (45397949) and next prime (45397951).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45397951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60075 + ... + 60825.

It is an arithmetic number, because the mean of its divisors is an integer number (1305472).

Almost surely, 2^45397950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45397950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62662656).

45397950 is an abundant number, since it is smaller than the sum of its proper divisors (79927362).

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

45397950 is a wasteful number, since it uses less digits than its factorization.

45397950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 45397950 is about 6737.8000860815. The cubic root of 45397950 is about 356.7347479241.

The spelling of 45397950 in words is "forty-five million, three hundred ninety-seven thousand, nine hundred fifty".