145888278 has 8 divisors (see below), whose sum is σ = 291776568. Its totient is φ = 48629424.

The previous prime is 145888261. The next prime is 145888307. The reversal of 145888278 is 872888541.

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

145888278 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 145888278.

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, 12157351 + ... + 12157362.

It is an arithmetic number, because the mean of its divisors is an integer number (36472071).

Almost surely, 2^145888278 is an apocalyptic number.

145888278 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.

145888278 is a wasteful number, since it uses less digits than its factorization.

145888278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24314718.

The product of its digits is 1146880, while the sum is 51.

The square root of 145888278 is about 12078.4219995826. The cubic root of 145888278 is about 526.4293963183.

The spelling of 145888278 in words is "one hundred forty-five million, eight hundred eighty-eight thousand, two hundred seventy-eight".