147561427 has 16 divisors (see below), whose sum is σ = 161566720. Its totient is φ = 133957152.

The previous prime is 147561409. The next prime is 147561461. The reversal of 147561427 is 724165741.

It is a cyclic number.

It is not a de Polignac number, because 147561427 - 2¹⁹ = 147037139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147561497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229168 + ... + 229810.

It is an arithmetic number, because the mean of its divisors is an integer number (10097920).

Almost surely, 2^147561427 is an apocalyptic number.

147561427 is a deficient number, since it is larger than the sum of its proper divisors (14005293).

147561427 is a wasteful number, since it uses less digits than its factorization.

147561427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its digits is 47040, while the sum is 37.

The square root of 147561427 is about 12147.4864478212. The cubic root of 147561427 is about 528.4342384955.

The spelling of 147561427 in words is "one hundred forty-seven million, five hundred sixty-one thousand, four hundred twenty-seven".