147792649 has 3 divisors (see below), whose sum is σ = 147804807. Its totient is φ = 147780492.

The previous prime is 147792643. The next prime is 147792719. The reversal of 147792649 is 946297741.

The square root of 147792649 is 12157.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 140849424 = 2635^2 + 11868^2 .

It is not a de Polignac number, because 147792649 - 2⁷ = 147792521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147792643) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6079 + ... + 18235.

It is an arithmetic number, because the mean of its divisors is an integer number (49268269).

Almost surely, 2^147792649 is an apocalyptic number.

147792649 is the 12157-th square number.

147792649 is the 6079-th centered octagonal number.

It is an amenable number.

147792649 is a deficient number, since it is larger than the sum of its proper divisors (12158).

147792649 is an frugal number, since it uses more digits than its factorization.

147792649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24314 (or 12157 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The cubic root of 147792649 is about 528.7101052079.

Multiplying 147792649 by its sum of digits (49), we get a square (7241839801 = 85099²).

The spelling of 147792649 in words is "one hundred forty-seven million, seven hundred ninety-two thousand, six hundred forty-nine".