145015141772 has 36 divisors (see below), whose sum is σ = 272160962640. Its totient is φ = 67480547904.

The previous prime is 145015141771. The next prime is 145015141847. The reversal of 145015141772 is 277141510541.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (145015141771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449747 + ... + 701642.

It is an arithmetic number, because the mean of its divisors is an integer number (7560026740).

Almost surely, 2^145015141772 is an apocalyptic number.

It is an amenable number.

145015141772 is a deficient number, since it is larger than the sum of its proper divisors (127145820868).

145015141772 is a wasteful number, since it uses less digits than its factorization.

145015141772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151490 (or 1151451 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 38.

The spelling of 145015141772 in words is "one hundred forty-five billion, fifteen million, one hundred forty-one thousand, seven hundred seventy-two".