145416687 has 8 divisors (see below), whose sum is σ = 208803504. Its totient is φ = 89487168.

The previous prime is 145416659. The next prime is 145416727. The reversal of 145416687 is 786614541.

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

It is not a de Polignac number, because 145416687 - 2⁷ = 145416559 is a prime.

It is a super-2 number, since 2×145416687² = 42292025716111938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145416647) 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, 1864278 + ... + 1864355.

It is an arithmetic number, because the mean of its divisors is an integer number (26100438).

Almost surely, 2^145416687 is an apocalyptic number.

145416687 is a deficient number, since it is larger than the sum of its proper divisors (63386817).

145416687 is a wasteful number, since it uses less digits than its factorization.

145416687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728649.

The product of its digits is 161280, while the sum is 42.

The square root of 145416687 is about 12058.8841523584. The cubic root of 145416687 is about 525.8615477477.

The spelling of 145416687 in words is "one hundred forty-five million, four hundred sixteen thousand, six hundred eighty-seven".