60142990 has 8 divisors (see below), whose sum is σ = 108257400. Its totient is φ = 24057192.

The previous prime is 60142987. The next prime is 60142997. The reversal of 60142990 is 9924106.

It is a happy number.

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

It is a super-2 number, since 2×60142990² = 7234358492280200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60142997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3007140 + ... + 3007159.

It is an arithmetic number, because the mean of its divisors is an integer number (13532175).

Almost surely, 2^60142990 is an apocalyptic number.

60142990 is a deficient number, since it is larger than the sum of its proper divisors (48114410).

60142990 is a wasteful number, since it uses less digits than its factorization.

60142990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014306.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 60142990 is about 7755.1911646329. The cubic root of 60142990 is about 391.7975101298.

The spelling of 60142990 in words is "sixty million, one hundred forty-two thousand, nine hundred ninety".