145053598 has 4 divisors (see below), whose sum is σ = 217580400. Its totient is φ = 72526798.

The previous prime is 145053553. The next prime is 145053599. The reversal of 145053598 is 895350541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 895350541 = 71 ⋅12610571.

It is a self number, because there is not a number n which added to its sum of digits gives 145053598.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145053599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36263398 + ... + 36263401.

It is an arithmetic number, because the mean of its divisors is an integer number (54395100).

Almost surely, 2^145053598 is an apocalyptic number.

145053598 is a deficient number, since it is larger than the sum of its proper divisors (72526802).

145053598 is an equidigital number, since it uses as much as digits as its factorization.

145053598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72526801.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 145053598 is about 12043.8199089824. The cubic root of 145053598 is about 525.4235107240.

The spelling of 145053598 in words is "one hundred forty-five million, fifty-three thousand, five hundred ninety-eight".