457780147 has 10 divisors (see below), whose sum is σ = 503571140. Its totient is φ = 416150460.

The previous prime is 457780139. The next prime is 457780163. The reversal of 457780147 is 741087754.

It is not a de Polignac number, because 457780147 - 2³ = 457780139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457780117) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 993 + ... + 30274.

It is an arithmetic number, because the mean of its divisors is an integer number (50357114).

Almost surely, 2^457780147 is an apocalyptic number.

457780147 is a deficient number, since it is larger than the sum of its proper divisors (45790993).

457780147 is an frugal number, since it uses more digits than its factorization.

457780147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31311 (or 31278 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 43.

The square root of 457780147 is about 21395.7974144457. The cubic root of 457780147 is about 770.7005189618.

The spelling of 457780147 in words is "four hundred fifty-seven million, seven hundred eighty thousand, one hundred forty-seven".