90354002 has 4 divisors (see below), whose sum is σ = 135531006. Its totient is φ = 45177000.

The previous prime is 90353999. The next prime is 90354041. The reversal of 90354002 is 20045309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20045309 = 59 ⋅339751.

It can be written as a sum of positive squares in only one way, i.e., 80120401 + 10233601 = 8951^2 + 3199^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22588499 + ... + 22588502.

Almost surely, 2^90354002 is an apocalyptic number.

90354002 is a deficient number, since it is larger than the sum of its proper divisors (45177004).

90354002 is a wasteful number, since it uses less digits than its factorization.

90354002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45177003.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 90354002 is about 9505.4722134148. The cubic root of 90354002 is about 448.7272712422.

The spelling of 90354002 in words is "ninety million, three hundred fifty-four thousand, two".