145587078 has 192 divisors, whose sum is σ = 417415680. Its totient is φ = 36796032.

The previous prime is 145587073. The next prime is 145587083. The reversal of 145587078 is 870785541.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (145587073) and next prime (145587083).

It is a super-4 number, since 4×145587078⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145587073) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2746900 + ... + 2746952.

It is an arithmetic number, because the mean of its divisors is an integer number (2174040).

Almost surely, 2^145587078 is an apocalyptic number.

145587078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 145587078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208707840).

145587078 is an abundant number, since it is smaller than the sum of its proper divisors (271828602).

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

145587078 is a wasteful number, since it uses less digits than its factorization.

145587078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 145587078 is about 12065.9470411568. The cubic root of 145587078 is about 526.0668591250.

The spelling of 145587078 in words is "one hundred forty-five million, five hundred eighty-seven thousand, seventy-eight".