45371550 has 72 divisors (see below), whose sum is σ = 130913496. Its totient is φ = 10368960.

The previous prime is 45371537. The next prime is 45371561. The reversal of 45371550 is 5517354.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4264 + ... + 10436.

It is an arithmetic number, because the mean of its divisors is an integer number (1818243).

Almost surely, 2^45371550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45371550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65456748).

45371550 is an abundant number, since it is smaller than the sum of its proper divisors (85541946).

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

45371550 is a wasteful number, since it uses less digits than its factorization.

45371550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202 (or 6190 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 45371550 is about 6735.8407047673. The cubic root of 45371550 is about 356.6655845698.

The spelling of 45371550 in words is "forty-five million, three hundred seventy-one thousand, five hundred fifty".