145308396 has 24 divisors (see below), whose sum is σ = 346268160. Its totient is φ = 47405392.

The previous prime is 145308391. The next prime is 145308403. The reversal of 145308396 is 693803541.

145308396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145308396² = 42229059896185632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145308391) 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, 128256 + ... + 129383.

It is an arithmetic number, because the mean of its divisors is an integer number (14427840).

Almost surely, 2^145308396 is an apocalyptic number.

It is an amenable number.

145308396 is an abundant number, since it is smaller than the sum of its proper divisors (200959764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145308396 is a wasteful number, since it uses less digits than its factorization.

145308396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257693 (or 257691 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 145308396 is about 12054.3932240491. The cubic root of 145308396 is about 525.7309799390.

The spelling of 145308396 in words is "one hundred forty-five million, three hundred eight thousand, three hundred ninety-six".