145015015723 has 8 divisors (see below), whose sum is σ = 153343967616. Its totient is φ = 136914254400.

The previous prime is 145015015703. The next prime is 145015015729. The reversal of 145015015723 is 327510510541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145015015723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145015015729) 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, 57046336 + ... + 57048877.

It is an arithmetic number, because the mean of its divisors is an integer number (19167995952).

Almost surely, 2^145015015723 is an apocalyptic number.

145015015723 is a deficient number, since it is larger than the sum of its proper divisors (8328951893).

145015015723 is a wasteful number, since it uses less digits than its factorization.

145015015723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114095285.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 145015015723 in words is "one hundred forty-five billion, fifteen million, fifteen thousand, seven hundred twenty-three".