60145987 has 4 divisors (see below), whose sum is σ = 65613816. Its totient is φ = 54678160.

The previous prime is 60145973. The next prime is 60145993. The reversal of 60145987 is 78954106.

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

It is a cyclic number.

It is not a de Polignac number, because 60145987 - 2¹⁵ = 60113219 is a prime.

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 Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60145927) 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, 2733898 + ... + 2733919.

It is an arithmetic number, because the mean of its divisors is an integer number (16403454).

Almost surely, 2^60145987 is an apocalyptic number.

60145987 is a deficient number, since it is larger than the sum of its proper divisors (5467829).

60145987 is a wasteful number, since it uses less digits than its factorization.

60145987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5467828.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 60145987 is about 7755.3843876368. The cubic root of 60145987 is about 391.8040179408.

The spelling of 60145987 in words is "sixty million, one hundred forty-five thousand, nine hundred eighty-seven".