153090993 has 8 divisors (see below), whose sum is σ = 222677856. Its totient is φ = 92782400.

The previous prime is 153090983. The next prime is 153090997. The reversal of 153090993 is 399090351.

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

It is a cyclic number.

It is not a de Polignac number, because 153090993 - 2⁹ = 153090481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (153090997) 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, 2319528 + ... + 2319593.

It is an arithmetic number, because the mean of its divisors is an integer number (27834732).

Almost surely, 2^153090993 is an apocalyptic number.

It is an amenable number.

153090993 is a deficient number, since it is larger than the sum of its proper divisors (69586863).

153090993 is a wasteful number, since it uses less digits than its factorization.

153090993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4639135.

The product of its (nonzero) digits is 32805, while the sum is 39.

The square root of 153090993 is about 12372.9945041611. The cubic root of 153090993 is about 534.9541323824.

The spelling of 153090993 in words is "one hundred fifty-three million, ninety thousand, nine hundred ninety-three".