290429147 has 2 divisors, whose sum is σ = 290429148. Its totient is φ = 290429146.

The previous prime is 290429143. The next prime is 290429159. The reversal of 290429147 is 741924092.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 290429147 - 2² = 290429143 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 290429147.

It is not a weakly prime, because it can be changed into another prime (290429143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145214573 + 145214574.

It is an arithmetic number, because the mean of its divisors is an integer number (145214574).

Almost surely, 2^290429147 is an apocalyptic number.

290429147 is a deficient number, since it is larger than the sum of its proper divisors (1).

290429147 is an equidigital number, since it uses as much as digits as its factorization.

290429147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 290429147 is about 17041.9818976550. The cubic root of 290429147 is about 662.2369361172.

The spelling of 290429147 in words is "two hundred ninety million, four hundred twenty-nine thousand, one hundred forty-seven".