147236274901 has 4 divisors (see below), whose sum is σ = 147239749804. Its totient is φ = 147232800000.

The previous prime is 147236274851. The next prime is 147236274923. The reversal of 147236274901 is 109472632741.

It is the 156651-st star number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51517196676 + 95719078225 = 226974^2 + 309385^2 .

It is a 4-Lehmer number, since φ(147236274901) divides (147236274901-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 147236274901 - 2²⁹ = 146699403989 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 (147236274301) 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, 1673100 + ... + 1758901.

It is an arithmetic number, because the mean of its divisors is an integer number (36809937451).

Almost surely, 2^147236274901 is an apocalyptic number.

It is an amenable number.

147236274901 is a deficient number, since it is larger than the sum of its proper divisors (3474903).

147236274901 is an equidigital number, since it uses as much as digits as its factorization.

147236274901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474902.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 147236274901 in words is "one hundred forty-seven billion, two hundred thirty-six million, two hundred seventy-four thousand, nine hundred one".