145403140015 has 32 divisors (see below), whose sum is σ = 204853359744. Its totient is φ = 96984760320.

The previous prime is 145403140007. The next prime is 145403140027. The reversal of 145403140015 is 510041304541.

It is not a de Polignac number, because 145403140015 - 2³ = 145403140007 is a prime.

It is a super-2 number, since 2×145403140015² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5790367 + ... + 5815423.

It is an arithmetic number, because the mean of its divisors is an integer number (6401667492).

Almost surely, 2^145403140015 is an apocalyptic number.

145403140015 is a deficient number, since it is larger than the sum of its proper divisors (59450219729).

145403140015 is a wasteful number, since it uses less digits than its factorization.

145403140015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29587.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 145403140015 its reverse (510041304541), we get a palindrome (655444444556).

The spelling of 145403140015 in words is "one hundred forty-five billion, four hundred three million, one hundred forty thousand, fifteen".