90329542 has 4 divisors (see below), whose sum is σ = 135494316. Its totient is φ = 45164770.

The previous prime is 90329539. The next prime is 90329573. The reversal of 90329542 is 24592309.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 90329498 and 90329507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22582384 + ... + 22582387.

It is an arithmetic number, because the mean of its divisors is an integer number (33873579).

Almost surely, 2^90329542 is an apocalyptic number.

90329542 is a deficient number, since it is larger than the sum of its proper divisors (45164774).

90329542 is a wasteful number, since it uses less digits than its factorization.

90329542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45164773.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 90329542 is about 9504.1854990315. The cubic root of 90329542 is about 448.6867754907.

The spelling of 90329542 in words is "ninety million, three hundred twenty-nine thousand, five hundred forty-two".