45377244 has 144 divisors (see below), whose sum is σ = 136106880. Its totient is φ = 12597120.

The previous prime is 45377219. The next prime is 45377261. The reversal of 45377244 is 44277354.

45377244 is a `hidden beast` number, since 45 + 377 + 244 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (94080) is a multiple of the sum of its prime factors (240).

It is a junction number, because it is equal to n+sod(n) for n = 45377199 and 45377208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278307 + ... + 278469.

Almost surely, 2^45377244 is an apocalyptic number.

45377244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45377244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68053440).

45377244 is an abundant number, since it is smaller than the sum of its proper divisors (90729636).

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

45377244 is a wasteful number, since it uses less digits than its factorization.

45377244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 235 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 45377244 is about 6736.2633558969. The cubic root of 45377244 is about 356.6805041166.

It can be divided in two parts, 4537 and 7244, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 45377244 in words is "forty-five million, three hundred seventy-seven thousand, two hundred forty-four".