145431415412 has 12 divisors (see below), whose sum is σ = 254568299076. Its totient is φ = 72697615680.

The previous prime is 145431415301. The next prime is 145431415439. The reversal of 145431415412 is 214514134541.

It can be written as a sum of positive squares in 2 ways, for example, as 25158400996 + 120273014416 = 158614^2 + 346804^2 .

It is a super-2 number, since 2×145431415412² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 4504913 + ... + 4537080.

It is an arithmetic number, because the mean of its divisors is an integer number (21214024923).

Almost surely, 2^145431415412 is an apocalyptic number.

It is an amenable number.

145431415412 is a deficient number, since it is larger than the sum of its proper divisors (109136883664).

145431415412 is a wasteful number, since it uses less digits than its factorization.

145431415412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046018 (or 9046016 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

Adding to 145431415412 its reverse (214514134541), we get a palindrome (359945549953).

The spelling of 145431415412 in words is "one hundred forty-five billion, four hundred thirty-one million, four hundred fifteen thousand, four hundred twelve".