145013152 has 24 divisors (see below), whose sum is σ = 287394912. Its totient is φ = 72024000.

The previous prime is 145013147. The next prime is 145013153. The reversal of 145013152 is 251310541.

It is a happy number.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (145013153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10174 + ... + 19837.

It is an arithmetic number, because the mean of its divisors is an integer number (11974788).

Almost surely, 2^145013152 is an apocalyptic number.

It is an amenable number.

145013152 is a deficient number, since it is larger than the sum of its proper divisors (142381760).

145013152 is a wasteful number, since it uses less digits than its factorization.

145013152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30172 (or 30164 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 145013152 is about 12042.1406734849. The cubic root of 145013152 is about 525.3746707203.

Adding to 145013152 its reverse (251310541), we get a palindrome (396323693).

The spelling of 145013152 in words is "one hundred forty-five million, thirteen thousand, one hundred fifty-two".