145569398 has 8 divisors (see below), whose sum is σ = 235150608. Its totient is φ = 67185864.

The previous prime is 145569377. The next prime is 145569401. The reversal of 145569398 is 893965541.

It is a happy number.

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

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, 2799386 + ... + 2799437.

It is an arithmetic number, because the mean of its divisors is an integer number (29393826).

Almost surely, 2^145569398 is an apocalyptic number.

145569398 is a deficient number, since it is larger than the sum of its proper divisors (89581210).

145569398 is a wasteful number, since it uses less digits than its factorization.

145569398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5598838.

The product of its digits is 1166400, while the sum is 50.

The square root of 145569398 is about 12065.2143785347. The cubic root of 145569398 is about 526.0455631906.

The spelling of 145569398 in words is "one hundred forty-five million, five hundred sixty-nine thousand, three hundred ninety-eight".