44919145 has 8 divisors (see below), whose sum is σ = 54707904. Its totient is φ = 35398704.

The previous prime is 44919139. The next prime is 44919167. The reversal of 44919145 is 54191944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44919145 - 2³ = 44919137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66709 + ... + 67378.

It is an arithmetic number, because the mean of its divisors is an integer number (6838488).

Almost surely, 2^44919145 is an apocalyptic number.

It is an amenable number.

44919145 is a deficient number, since it is larger than the sum of its proper divisors (9788759).

44919145 is a wasteful number, since it uses less digits than its factorization.

44919145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134159.

The product of its digits is 25920, while the sum is 37.

The square root of 44919145 is about 6702.1746470828. The cubic root of 44919145 is about 355.4761711698.

The spelling of 44919145 in words is "forty-four million, nine hundred nineteen thousand, one hundred forty-five".