145104398 has 4 divisors (see below), whose sum is σ = 217656600. Its totient is φ = 72552198.

The previous prime is 145104383. The next prime is 145104431. The reversal of 145104398 is 893401541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893401541 = 59 ⋅15142399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36276098 + ... + 36276101.

It is an arithmetic number, because the mean of its divisors is an integer number (54414150).

Almost surely, 2^145104398 is an apocalyptic number.

145104398 is a deficient number, since it is larger than the sum of its proper divisors (72552202).

145104398 is an equidigital number, since it uses as much as digits as its factorization.

145104398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72552201.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 145104398 is about 12045.9286898105. The cubic root of 145104398 is about 525.4848406954.

The spelling of 145104398 in words is "one hundred forty-five million, one hundred four thousand, three hundred ninety-eight".