137889045 has 24 divisors (see below), whose sum is σ = 273152256. Its totient is φ = 63034848.

The previous prime is 137889013. The next prime is 137889053. The reversal of 137889045 is 540988731.

It is not a de Polignac number, because 137889045 - 2⁵ = 137889013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218557 + ... + 219186.

It is an arithmetic number, because the mean of its divisors is an integer number (11381344).

Almost surely, 2^137889045 is an apocalyptic number.

137889045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137889045 is a deficient number, since it is larger than the sum of its proper divisors (135263211).

137889045 is a wasteful number, since it uses less digits than its factorization.

137889045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437761 (or 437758 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 137889045 is about 11742.6166164105. The cubic root of 137889045 is about 516.6263913570.

The spelling of 137889045 in words is "one hundred thirty-seven million, eight hundred eighty-nine thousand, forty-five".