145567615 has 16 divisors (see below), whose sum is σ = 177202080. Its totient is φ = 114785280.

The previous prime is 145567613. The next prime is 145567619. The reversal of 145567615 is 516765541.

It is not a de Polignac number, because 145567615 - 2¹ = 145567613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145567613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128371 + ... + 129499.

It is an arithmetic number, because the mean of its divisors is an integer number (11075130).

Almost surely, 2^145567615 is an apocalyptic number.

145567615 is a deficient number, since it is larger than the sum of its proper divisors (31634465).

145567615 is a wasteful number, since it uses less digits than its factorization.

145567615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its digits is 126000, while the sum is 40.

The square root of 145567615 is about 12065.1404881999. The cubic root of 145567615 is about 526.0434154336.

The spelling of 145567615 in words is "one hundred forty-five million, five hundred sixty-seven thousand, six hundred fifteen".