145561713 has 8 divisors (see below), whose sum is σ = 211726176. Its totient is φ = 88219200.

The previous prime is 145561693. The next prime is 145561727. The reversal of 145561713 is 317165541.

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

It is not a de Polignac number, because 145561713 - 2⁶ = 145561649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4410961 = 145561713 / (1 + 4 + 5 + 5 + 6 + 1 + 7 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (145561313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2205448 + ... + 2205513.

It is an arithmetic number, because the mean of its divisors is an integer number (26465772).

Almost surely, 2^145561713 is an apocalyptic number.

It is an amenable number.

145561713 is a deficient number, since it is larger than the sum of its proper divisors (66164463).

145561713 is a wasteful number, since it uses less digits than its factorization.

145561713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410975.

The product of its digits is 12600, while the sum is 33.

The square root of 145561713 is about 12064.8958967742. The cubic root of 145561713 is about 526.0363059077.

The spelling of 145561713 in words is "one hundred forty-five million, five hundred sixty-one thousand, seven hundred thirteen".