146457073 has 32 divisors (see below), whose sum is σ = 182476800. Its totient is φ = 114768576.

The previous prime is 146457071. The next prime is 146457079. The reversal of 146457073 is 370754641.

146457073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 146457073 - 2¹ = 146457071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146457071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556740 + ... + 557002.

It is an arithmetic number, because the mean of its divisors is an integer number (5702400).

Almost surely, 2^146457073 is an apocalyptic number.

It is an amenable number.

146457073 is a deficient number, since it is larger than the sum of its proper divisors (36019727).

146457073 is a wasteful number, since it uses less digits than its factorization.

146457073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 146457073 is about 12101.9450089645. The cubic root of 146457073 is about 527.1126637007.

The spelling of 146457073 in words is "one hundred forty-six million, four hundred fifty-seven thousand, seventy-three".