45438141 has 24 divisors (see below), whose sum is σ = 71183424. Its totient is φ = 25704000.

The previous prime is 45438137. The next prime is 45438167. The reversal of 45438141 is 14183454.

It is not a de Polignac number, because 45438141 - 2² = 45438137 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 45438099 and 45438108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45438131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13641 + ... + 16641.

It is an arithmetic number, because the mean of its divisors is an integer number (2965976).

Almost surely, 2^45438141 is an apocalyptic number.

It is an amenable number.

45438141 is a deficient number, since it is larger than the sum of its proper divisors (25745283).

45438141 is a wasteful number, since it uses less digits than its factorization.

45438141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121 (or 3114 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 45438141 is about 6740.7819279368. The cubic root of 45438141 is about 356.8399898077.

The spelling of 45438141 in words is "forty-five million, four hundred thirty-eight thousand, one hundred forty-one".