145407308 has 12 divisors (see below), whose sum is σ = 256798080. Its totient is φ = 72036432.

The previous prime is 145407293. The next prime is 145407343. The reversal of 145407308 is 803704541.

145407308 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 2×145407308² = 42286570439613728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166316 + ... + 167187.

It is an arithmetic number, because the mean of its divisors is an integer number (21399840).

Almost surely, 2^145407308 is an apocalyptic number.

It is an amenable number.

145407308 is a deficient number, since it is larger than the sum of its proper divisors (111390772).

145407308 is a wasteful number, since it uses less digits than its factorization.

145407308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333616 (or 333614 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 145407308 is about 12058.4952626768. The cubic root of 145407308 is about 525.8502419350.

The spelling of 145407308 in words is "one hundred forty-five million, four hundred seven thousand, three hundred eight".