145617548 has 6 divisors (see below), whose sum is σ = 254830716. Its totient is φ = 72808772.

The previous prime is 145617547. The next prime is 145617559. The reversal of 145617548 is 845716541.

145617548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145617541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18202190 + ... + 18202197.

It is an arithmetic number, because the mean of its divisors is an integer number (42471786).

Almost surely, 2^145617548 is an apocalyptic number.

It is an amenable number.

145617548 is a deficient number, since it is larger than the sum of its proper divisors (109213168).

145617548 is a wasteful number, since it uses less digits than its factorization.

145617548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36404391 (or 36404389 counting only the distinct ones).

The product of its digits is 134400, while the sum is 41.

The square root of 145617548 is about 12067.2096194605. The cubic root of 145617548 is about 526.1035568395.

The spelling of 145617548 in words is "one hundred forty-five million, six hundred seventeen thousand, five hundred forty-eight".