890501045 has 8 divisors (see below), whose sum is σ = 1221258624. Its totient is φ = 610629264.

The previous prime is 890501011. The next prime is 890501113. The reversal of 890501045 is 540105098.

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

It is not a de Polignac number, because 890501045 - 2¹⁶ = 890435509 is a prime.

It is a super-2 number, since 2×890501045² = 1585984222292184050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12721409 + ... + 12721478.

It is an arithmetic number, because the mean of its divisors is an integer number (152657328).

Almost surely, 2^890501045 is an apocalyptic number.

It is an amenable number.

890501045 is a deficient number, since it is larger than the sum of its proper divisors (330757579).

890501045 is a wasteful number, since it uses less digits than its factorization.

890501045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25442899.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 890501045 is about 29841.2641320705. The cubic root of 890501045 is about 962.0806453370.

The spelling of 890501045 in words is "eight hundred ninety million, five hundred one thousand, forty-five".