145457833 has 8 divisors (see below), whose sum is σ = 149312160. Its totient is φ = 141649920.

The previous prime is 145457813. The next prime is 145457849. The reversal of 145457833 is 338754541.

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-145457833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145457803) 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, 5208 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (18664020).

Almost surely, 2^145457833 is an apocalyptic number.

It is an amenable number.

145457833 is a deficient number, since it is larger than the sum of its proper divisors (3854327).

145457833 is a wasteful number, since it uses less digits than its factorization.

145457833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23207.

The product of its digits is 201600, while the sum is 40.

The square root of 145457833 is about 12060.5900767749. The cubic root of 145457833 is about 525.9111409988.

The spelling of 145457833 in words is "one hundred forty-five million, four hundred fifty-seven thousand, eight hundred thirty-three".