146461451 has 2 divisors, whose sum is σ = 146461452. Its totient is φ = 146461450.

The previous prime is 146461439. The next prime is 146461507. The reversal of 146461451 is 154164641.

146461451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (154164641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146461451 - 2¹⁴ = 146445067 is a prime.

It is not a weakly prime, because it can be changed into another prime (146461421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73230725 + 73230726.

It is an arithmetic number, because the mean of its divisors is an integer number (73230726).

Almost surely, 2^146461451 is an apocalyptic number.

146461451 is a deficient number, since it is larger than the sum of its proper divisors (1).

146461451 is an equidigital number, since it uses as much as digits as its factorization.

146461451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 146461451 is about 12102.1258876282. The cubic root of 146461451 is about 527.1179159251.

The spelling of 146461451 in words is "one hundred forty-six million, four hundred sixty-one thousand, four hundred fifty-one".