146926451 has 16 divisors (see below), whose sum is σ = 173304000. Its totient is φ = 124496064.

The previous prime is 146926387. The next prime is 146926463. The reversal of 146926451 is 154629641.

It is not a de Polignac number, because 146926451 - 2⁶ = 146926387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146926471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28121 + ... + 32933.

It is an arithmetic number, because the mean of its divisors is an integer number (10831500).

Almost surely, 2^146926451 is an apocalyptic number.

146926451 is a deficient number, since it is larger than the sum of its proper divisors (26377549).

146926451 is an frugal number, since it uses more digits than its factorization.

146926451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923 (or 4909 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 146926451 is about 12121.3221638565. The cubic root of 146926451 is about 527.6751749315.

The spelling of 146926451 in words is "one hundred forty-six million, nine hundred twenty-six thousand, four hundred fifty-one".