147215222541 has 24 divisors (see below), whose sum is σ = 225167450040. Its totient is φ = 92364281856.

The previous prime is 147215222537. The next prime is 147215222549. The reversal of 147215222541 is 145222512741.

147215222541 is a `hidden beast` number, since 1 + 4 + 72 + 1 + 522 + 25 + 41 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 68607324900 + 78607897641 = 261930^2 + 280371^2 .

It is not a de Polignac number, because 147215222541 - 2² = 147215222537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147215222496 and 147215222505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147215222549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3939975 + ... + 3977163.

It is an arithmetic number, because the mean of its divisors is an integer number (9381977085).

Almost surely, 2^147215222541 is an apocalyptic number.

It is an amenable number.

147215222541 is a deficient number, since it is larger than the sum of its proper divisors (77952227499).

147215222541 is a wasteful number, since it uses less digits than its factorization.

147215222541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63085 (or 63082 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The spelling of 147215222541 in words is "one hundred forty-seven billion, two hundred fifteen million, two hundred twenty-two thousand, five hundred forty-one".