146557451 has 2 divisors, whose sum is σ = 146557452. Its totient is φ = 146557450.

The previous prime is 146557447. The next prime is 146557483. The reversal of 146557451 is 154755641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146557451 - 2² = 146557447 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146557351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73278725 + 73278726.

It is an arithmetic number, because the mean of its divisors is an integer number (73278726).

Almost surely, 2^146557451 is an apocalyptic number.

146557451 is a deficient number, since it is larger than the sum of its proper divisors (1).

146557451 is an equidigital number, since it uses as much as digits as its factorization.

146557451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 38.

The square root of 146557451 is about 12106.0914832162. The cubic root of 146557451 is about 527.2330594604.

The spelling of 146557451 in words is "one hundred forty-six million, five hundred fifty-seven thousand, four hundred fifty-one".