137558745 has 48 divisors (see below), whose sum is σ = 257437440. Its totient is φ = 67740288.

The previous prime is 137558723. The next prime is 137558753. The reversal of 137558745 is 547855731.

It is a happy number.

It is not a de Polignac number, because 137558745 - 2¹⁵ = 137525977 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 137558745.

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, 27724 + ... + 32306.

It is an arithmetic number, because the mean of its divisors is an integer number (5363280).

Almost surely, 2^137558745 is an apocalyptic number.

137558745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

137558745 is a deficient number, since it is larger than the sum of its proper divisors (119878695).

137558745 is a wasteful number, since it uses less digits than its factorization.

137558745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646 (or 4643 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 137558745 is about 11728.5440272866. The cubic root of 137558745 is about 516.2135518632.

It can be divided in two parts, 13755 and 8745, that added together give a square (22500 = 150²).

The spelling of 137558745 in words is "one hundred thirty-seven million, five hundred fifty-eight thousand, seven hundred forty-five".