146423451 has 8 divisors (see below), whose sum is σ = 203719680. Its totient is φ = 93371432.

The previous prime is 146423413. The next prime is 146423483. The reversal of 146423451 is 154324641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146423451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146423411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060971 + ... + 1061108.

It is an arithmetic number, because the mean of its divisors is an integer number (25464960).

Almost surely, 2^146423451 is an apocalyptic number.

146423451 is a deficient number, since it is larger than the sum of its proper divisors (57296229).

146423451 is a wasteful number, since it uses less digits than its factorization.

146423451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122105.

The product of its digits is 11520, while the sum is 30.

The square root of 146423451 is about 12100.5558136806. Note that the first 3 decimals coincide. The cubic root of 146423451 is about 527.0723243758.

The spelling of 146423451 in words is "one hundred forty-six million, four hundred twenty-three thousand, four hundred fifty-one".