145756137 has 8 divisors (see below), whose sum is σ = 197635680. Its totient is φ = 95523680.

The previous prime is 145756123. The next prime is 145756139. The reversal of 145756137 is 731657541.

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 145756137 - 2¹⁸ = 145493993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145756095 and 145756104.

It is not an unprimeable number, because it can be changed into a prime (145756139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411564 + ... + 411917.

It is an arithmetic number, because the mean of its divisors is an integer number (24704460).

Almost surely, 2^145756137 is an apocalyptic number.

It is an amenable number.

145756137 is a deficient number, since it is larger than the sum of its proper divisors (51879543).

145756137 is an equidigital number, since it uses as much as digits as its factorization.

145756137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823543.

The product of its digits is 88200, while the sum is 39.

The square root of 145756137 is about 12072.9506335444. The cubic root of 145756137 is about 526.2704072594.

The spelling of 145756137 in words is "one hundred forty-five million, seven hundred fifty-six thousand, one hundred thirty-seven".