147472057 has 2 divisors, whose sum is σ = 147472058. Its totient is φ = 147472056.

The previous prime is 147472043. The next prime is 147472063. The reversal of 147472057 is 750274741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88811776 + 58660281 = 9424^2 + 7659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147472057 is a prime.

It is a super-2 number, since 2×147472057² = 43496015191622498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (147472007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73736028 + 73736029.

It is an arithmetic number, because the mean of its divisors is an integer number (73736029).

Almost surely, 2^147472057 is an apocalyptic number.

It is an amenable number.

147472057 is a deficient number, since it is larger than the sum of its proper divisors (1).

147472057 is an equidigital number, since it uses as much as digits as its factorization.

147472057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54880, while the sum is 37.

The square root of 147472057 is about 12143.8073518975. The cubic root of 147472057 is about 528.3275355760.

The spelling of 147472057 in words is "one hundred forty-seven million, four hundred seventy-two thousand, fifty-seven".