147402457 has 2 divisors, whose sum is σ = 147402458. Its totient is φ = 147402456.

The previous prime is 147402443. The next prime is 147402467. The reversal of 147402457 is 754204741.

It is a happy number.

147402457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146434201 + 968256 = 12101^2 + 984^2 .

It is a cyclic number.

It is not a de Polignac number, because 147402457 - 2¹⁹ = 146878169 is a prime.

It is not a weakly prime, because it can be changed into another prime (147402467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73701228 + 73701229.

It is an arithmetic number, because the mean of its divisors is an integer number (73701229).

Almost surely, 2^147402457 is an apocalyptic number.

It is an amenable number.

147402457 is a deficient number, since it is larger than the sum of its proper divisors (1).

147402457 is an equidigital number, since it uses as much as digits as its factorization.

147402457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 147402457 is about 12140.9413555951. The cubic root of 147402457 is about 528.2444070982.

The spelling of 147402457 in words is "one hundred forty-seven million, four hundred two thousand, four hundred fifty-seven".