147531401 has 2 divisors, whose sum is σ = 147531402. Its totient is φ = 147531400.

The previous prime is 147531359. The next prime is 147531413. The reversal of 147531401 is 104135741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114169225 + 33362176 = 10685^2 + 5776^2 .

It is a cyclic number.

It is not a de Polignac number, because 147531401 - 2⁶ = 147531337 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (147531101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73765700 + 73765701.

It is an arithmetic number, because the mean of its divisors is an integer number (73765701).

Almost surely, 2^147531401 is an apocalyptic number.

It is an amenable number.

147531401 is a deficient number, since it is larger than the sum of its proper divisors (1).

147531401 is an equidigital number, since it uses as much as digits as its factorization.

147531401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 147531401 is about 12146.2504914068. The cubic root of 147531401 is about 528.3983938915.

The spelling of 147531401 in words is "one hundred forty-seven million, five hundred thirty-one thousand, four hundred one".