145094638 has 8 divisors (see below), whose sum is σ = 234383688. Its totient is φ = 66966744.

The previous prime is 145094623. The next prime is 145094689. The reversal of 145094638 is 836490541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145094638.

It is a congruent number.

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, 2790256 + ... + 2790307.

It is an arithmetic number, because the mean of its divisors is an integer number (29297961).

Almost surely, 2^145094638 is an apocalyptic number.

145094638 is a deficient number, since it is larger than the sum of its proper divisors (89289050).

145094638 is a wasteful number, since it uses less digits than its factorization.

145094638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580578.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 145094638 is about 12045.5235668691. The cubic root of 145094638 is about 525.4730587253.

The spelling of 145094638 in words is "one hundred forty-five million, ninety-four thousand, six hundred thirty-eight".