145072026 has 64 divisors (see below), whose sum is σ = 353341440. Its totient is φ = 43755120.

The previous prime is 145072021. The next prime is 145072061. The reversal of 145072026 is 620270541.

145072026 is a `hidden beast` number, since 1 + 450 + 7 + 202 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (145072021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167671 + ... + 168533.

It is an arithmetic number, because the mean of its divisors is an integer number (5520960).

Almost surely, 2^145072026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145072026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176670720).

145072026 is an abundant number, since it is smaller than the sum of its proper divisors (208269414).

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

145072026 is a wasteful number, since it uses less digits than its factorization.

145072026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 145072026 is about 12044.5849243550. The cubic root of 145072026 is about 525.4457601881.

The spelling of 145072026 in words is "one hundred forty-five million, seventy-two thousand, twenty-six".