147455513261 has 6 divisors (see below), whose sum is σ = 171529882830. Its totient is φ = 126390439896.

The previous prime is 147455513239. The next prime is 147455513297. The reversal of 147455513261 is 162315554741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 147374603236 + 80910025 = 383894^2 + 8995^2 .

It is a de Polignac number, because none of the positive numbers 2^k-147455513261 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 (147455513221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1504648046 + ... + 1504648143.

It is an arithmetic number, because the mean of its divisors is an integer number (28588313805).

Almost surely, 2^147455513261 is an apocalyptic number.

It is an amenable number.

147455513261 is a deficient number, since it is larger than the sum of its proper divisors (24074369569).

147455513261 is an equidigital number, since it uses as much as digits as its factorization.

147455513261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3009296203 (or 3009296196 counting only the distinct ones).

The product of its digits is 504000, while the sum is 44.

The spelling of 147455513261 in words is "one hundred forty-seven billion, four hundred fifty-five million, five hundred thirteen thousand, two hundred sixty-one".