145735998 has 8 divisors (see below), whose sum is σ = 291472008. Its totient is φ = 48578664.

The previous prime is 145735963. The next prime is 145735999. The reversal of 145735998 is 899537541.

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

145735998 is an admirable number.

It is a super-2 number, since 2×145735998² = 42477962226112008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145735998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145735999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12144661 + ... + 12144672.

It is an arithmetic number, because the mean of its divisors is an integer number (36434001).

Almost surely, 2^145735998 is an apocalyptic number.

145735998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145735998 is a wasteful number, since it uses less digits than its factorization.

145735998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24289338.

The product of its digits is 1360800, while the sum is 51.

The square root of 145735998 is about 12072.1165501332. The cubic root of 145735998 is about 526.2461680333.

The spelling of 145735998 in words is "one hundred forty-five million, seven hundred thirty-five thousand, nine hundred ninety-eight".