145940616 has 40 divisors (see below), whose sum is σ = 408770670. Its totient is φ = 48646656.

The previous prime is 145940603. The next prime is 145940621. The reversal of 145940616 is 616049541.

145940616 is a `hidden beast` number, since 1 + 4 + 594 + 0 + 61 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 138156516 + 7784100 = 11754^2 + 2790^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 111961 + ... + 113256.

Almost surely, 2^145940616 is an apocalyptic number.

It is an amenable number.

145940616 is an abundant number, since it is smaller than the sum of its proper divisors (262830054).

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

145940616 is a wasteful number, since it uses less digits than its factorization.

145940616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225235 (or 225222 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 145940616 is about 12080.5883962661. The cubic root of 145940616 is about 526.4923416715.

The spelling of 145940616 in words is "one hundred forty-five million, nine hundred forty thousand, six hundred sixteen".