90151748 has 12 divisors (see below), whose sum is σ = 167046012. Its totient is φ = 42424320.

The previous prime is 90151741. The next prime is 90151757. The reversal of 90151748 is 84715109.

It can be written as a sum of positive squares in 2 ways, for example, as 64770304 + 25381444 = 8048^2 + 5038^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90151741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662813 + ... + 662948.

It is an arithmetic number, because the mean of its divisors is an integer number (13920501).

Almost surely, 2^90151748 is an apocalyptic number.

It is an amenable number.

90151748 is a deficient number, since it is larger than the sum of its proper divisors (76894264).

90151748 is a wasteful number, since it uses less digits than its factorization.

90151748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325782 (or 1325780 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 90151748 is about 9494.8274339242. The cubic root of 90151748 is about 448.3922014558.

The spelling of 90151748 in words is "ninety million, one hundred fifty-one thousand, seven hundred forty-eight".