45201078 has 80 divisors (see below), whose sum is σ = 110584320. Its totient is φ = 13798512.

The previous prime is 45201077. The next prime is 45201083. The reversal of 45201078 is 87010254.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45201077) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 355851 + ... + 355977.

It is an arithmetic number, because the mean of its divisors is an integer number (1382304).

Almost surely, 2^45201078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45201078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55292160).

45201078 is an abundant number, since it is smaller than the sum of its proper divisors (65383242).

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

45201078 is a wasteful number, since it uses less digits than its factorization.

45201078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 45201078 is about 6723.1746965254. The cubic root of 45201078 is about 356.2183307028.

The spelling of 45201078 in words is "forty-five million, two hundred one thousand, seventy-eight".