145490094 has 40 divisors (see below), whose sum is σ = 327716400. Its totient is φ = 48242304.

The previous prime is 145490089. The next prime is 145490117. The reversal of 145490094 is 490094541.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29982 + ... + 34494.

It is an arithmetic number, because the mean of its divisors is an integer number (8192910).

Almost surely, 2^145490094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145490094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163858200).

145490094 is an abundant number, since it is smaller than the sum of its proper divisors (182226306).

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

145490094 is a wasteful number, since it uses less digits than its factorization.

145490094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726 (or 4717 counting only the distinct ones).

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

The square root of 145490094 is about 12061.9274579148. The cubic root of 145490094 is about 525.9500186235.

The spelling of 145490094 in words is "one hundred forty-five million, four hundred ninety thousand, ninety-four".