145541138416 has 40 divisors (see below), whose sum is σ = 283026416400. Its totient is φ = 72502487040.

The previous prime is 145541138411. The next prime is 145541138437. The reversal of 145541138416 is 614831145541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145541138411) 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, 5769511 + ... + 5794681.

It is an arithmetic number, because the mean of its divisors is an integer number (7075660410).

Almost surely, 2^145541138416 is an apocalyptic number.

145541138416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145541138416 is a deficient number, since it is larger than the sum of its proper divisors (137485277984).

145541138416 is a wasteful number, since it uses less digits than its factorization.

145541138416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26497 (or 26491 counting only the distinct ones).

The product of its digits is 230400, while the sum is 43.

The spelling of 145541138416 in words is "one hundred forty-five billion, five hundred forty-one million, one hundred thirty-eight thousand, four hundred sixteen".