147561373 has 4 divisors (see below), whose sum is σ = 148260928. Its totient is φ = 146861820.

The previous prime is 147561331. The next prime is 147561383. The reversal of 147561373 is 373165741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147561373 - 2¹³ = 147553181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147561313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349461 + ... + 349882.

It is an arithmetic number, because the mean of its divisors is an integer number (37065232).

Almost surely, 2^147561373 is an apocalyptic number.

It is an amenable number.

147561373 is a deficient number, since it is larger than the sum of its proper divisors (699555).

147561373 is an equidigital number, since it uses as much as digits as its factorization.

147561373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699554.

The product of its digits is 52920, while the sum is 37.

The square root of 147561373 is about 12147.4842251390. The cubic root of 147561373 is about 528.4341740355.

It can be divided in two parts, 14756 and 1373, that added together give a square (16129 = 127²).

The spelling of 147561373 in words is "one hundred forty-seven million, five hundred sixty-one thousand, three hundred seventy-three".