145148936 has 8 divisors (see below), whose sum is σ = 272154270. Its totient is φ = 72574464.

The previous prime is 145148881. The next prime is 145148947. The reversal of 145148936 is 639841541.

It can be written as a sum of positive squares in only one way, i.e., 132940900 + 12208036 = 11530^2 + 3494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 145148893 and 145148902.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9071801 + ... + 9071816.

Almost surely, 2^145148936 is an apocalyptic number.

It is an amenable number.

145148936 is a deficient number, since it is larger than the sum of its proper divisors (127005334).

145148936 is a wasteful number, since it uses less digits than its factorization.

145148936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18143623 (or 18143619 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 145148936 is about 12047.7772223759. Note that the first 3 decimals coincide. The cubic root of 145148936 is about 525.5385988861.

The spelling of 145148936 in words is "one hundred forty-five million, one hundred forty-eight thousand, nine hundred thirty-six".