5142990 has 32 divisors (see below), whose sum is σ = 12410496. Its totient is φ = 1364000.

The previous prime is 5142989. The next prime is 5143013. The reversal of 5142990 is 992415.

It is a happy number.

It is a super-2 number, since 2×5142990² = 52900692280200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7189 + ... + 7871.

It is an arithmetic number, because the mean of its divisors is an integer number (387828).

Almost surely, 2^5142990 is an apocalyptic number.

5142990 is an abundant number, since it is smaller than the sum of its proper divisors (7267506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5142990 is a wasteful number, since it uses less digits than its factorization.

5142990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 5142990 is about 2267.8161301128. The cubic root of 5142990 is about 172.6123611581.

The spelling of 5142990 in words is "five million, one hundred forty-two thousand, nine hundred ninety".