1465142545 has 4 divisors (see below), whose sum is σ = 1758171060. Its totient is φ = 1172114032.

The previous prime is 1465142531. The next prime is 1465142551. The reversal of 1465142545 is 5452415641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 635644944 + 829497601 = 25212^2 + 28801^2 .

It is a cyclic number.

It is not a de Polignac number, because 1465142545 - 2⁵ = 1465142513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146514250 + ... + 146514259.

It is an arithmetic number, because the mean of its divisors is an integer number (439542765).

Almost surely, 2^1465142545 is an apocalyptic number.

It is an amenable number.

1465142545 is a deficient number, since it is larger than the sum of its proper divisors (293028515).

1465142545 is an equidigital number, since it uses as much as digits as its factorization.

1465142545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293028514.

The product of its digits is 96000, while the sum is 37.

The square root of 1465142545 is about 38277.1804734884. The cubic root of 1465142545 is about 1135.7775843349. Note that the first 3 decimals are identical.

The spelling of 1465142545 in words is "one billion, four hundred sixty-five million, one hundred forty-two thousand, five hundred forty-five".