60999142 has 4 divisors (see below), whose sum is σ = 91498716. Its totient is φ = 30499570.

The previous prime is 60999137. The next prime is 60999157. The reversal of 60999142 is 24199906.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 60999095 and 60999104.

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, 15249784 + ... + 15249787.

It is an arithmetic number, because the mean of its divisors is an integer number (22874679).

Almost surely, 2^60999142 is an apocalyptic number.

60999142 is a deficient number, since it is larger than the sum of its proper divisors (30499574).

60999142 is a wasteful number, since it uses less digits than its factorization.

60999142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30499573.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 60999142 is about 7810.1947478920. The cubic root of 60999142 is about 393.6478726652.

The spelling of 60999142 in words is "sixty million, nine hundred ninety-nine thousand, one hundred forty-two".