146890022257 has 8 divisors (see below), whose sum is σ = 168677537760. Its totient is φ = 126508152960.

The previous prime is 146890022207. The next prime is 146890022267. The reversal of 146890022257 is 752220098641.

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

It is a de Polignac number, because none of the positive numbers 2^k-146890022257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146890022207) 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, 351411328 + ... + 351411745.

It is an arithmetic number, because the mean of its divisors is an integer number (21084692220).

Almost surely, 2^146890022257 is an apocalyptic number.

It is an amenable number.

146890022257 is a deficient number, since it is larger than the sum of its proper divisors (21787515503).

146890022257 is a wasteful number, since it uses less digits than its factorization.

146890022257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702823103.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 146890022257 in words is "one hundred forty-six billion, eight hundred ninety million, twenty-two thousand, two hundred fifty-seven".