15042263 has 8 divisors (see below), whose sum is σ = 15962832. Its totient is φ = 14125696.

The previous prime is 15042257. The next prime is 15042277. The reversal of 15042263 is 36224051.

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 15042263 - 2¹⁰ = 15041239 is a prime.

It is a super-2 number, since 2×15042263² = 452539352322338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15042283) 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, 10856 + ... + 12162.

It is an arithmetic number, because the mean of its divisors is an integer number (1995354).

Almost surely, 2^15042263 is an apocalyptic number.

15042263 is a deficient number, since it is larger than the sum of its proper divisors (920569).

15042263 is a wasteful number, since it uses less digits than its factorization.

15042263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 15042263 is about 3878.4356382439. The cubic root of 15042263 is about 246.8526113970.

The spelling of 15042263 in words is "fifteen million, forty-two thousand, two hundred sixty-three".