145270086 has 64 divisors (see below), whose sum is σ = 333607680. Its totient is φ = 41800320.

The previous prime is 145270051. The next prime is 145270087. The reversal of 145270086 is 680072541.

It is a super-2 number, since 2×145270086² = 42206795772894792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145270087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122416 + ... + 123596.

It is an arithmetic number, because the mean of its divisors is an integer number (5212620).

Almost surely, 2^145270086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145270086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166803840).

145270086 is an abundant number, since it is smaller than the sum of its proper divisors (188337594).

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

145270086 is a wasteful number, since it uses less digits than its factorization.

145270086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 145270086 is about 12052.8040720821. The cubic root of 145270086 is about 525.6847735607.

The spelling of 145270086 in words is "one hundred forty-five million, two hundred seventy thousand, eighty-six".