145327473715 has 4 divisors (see below), whose sum is σ = 174392968464. Its totient is φ = 116261978968.

The previous prime is 145327473677. The next prime is 145327473719. The reversal of 145327473715 is 517374723541.

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 145327473715 - 2⁷ = 145327473587 is a prime.

It is a super-2 number, since 2×145327473715² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145327473719) 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, 14532747367 + ... + 14532747376.

It is an arithmetic number, because the mean of its divisors is an integer number (43598242116).

Almost surely, 2^145327473715 is an apocalyptic number.

145327473715 is a deficient number, since it is larger than the sum of its proper divisors (29065494749).

145327473715 is an equidigital number, since it uses as much as digits as its factorization.

145327473715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29065494748.

The product of its digits is 2469600, while the sum is 49.

The spelling of 145327473715 in words is "one hundred forty-five billion, three hundred twenty-seven million, four hundred seventy-three thousand, seven hundred fifteen".