145215406412 has 12 divisors (see below), whose sum is σ = 254137558416. Its totient is φ = 72604675440.

The previous prime is 145215406411. The next prime is 145215406433. The reversal of 145215406412 is 214604512541.

It is not an unprimeable number, because it can be changed into a prime (145215406411) 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, 647264 + ... + 842247.

It is an arithmetic number, because the mean of its divisors is an integer number (21178129868).

Almost surely, 2^145215406412 is an apocalyptic number.

It is an amenable number.

145215406412 is a deficient number, since it is larger than the sum of its proper divisors (108922152004).

145215406412 is a wasteful number, since it uses less digits than its factorization.

145215406412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513888 (or 1513886 counting only the distinct ones).

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

Adding to 145215406412 its reverse (214604512541), we get a palindrome (359819918953).

The spelling of 145215406412 in words is "one hundred forty-five billion, two hundred fifteen million, four hundred six thousand, four hundred twelve".