145426650 has 48 divisors (see below), whose sum is σ = 370419744. Its totient is φ = 37730880.

The previous prime is 145426643. The next prime is 145426657. The reversal of 145426650 is 56624541.

145426650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (145426643) and next prime (145426657).

It is a super-2 number, since 2×145426650² = 42297821060445000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145426657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7552 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (7717078).

Almost surely, 2^145426650 is an apocalyptic number.

145426650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145426650 is an abundant number, since it is smaller than the sum of its proper divisors (224993094).

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

145426650 is a wasteful number, since it uses less digits than its factorization.

145426650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26255 (or 26250 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 145426650 is about 12059.2972432062. The cubic root of 145426650 is about 525.8735570044.

The spelling of 145426650 in words is "one hundred forty-five million, four hundred twenty-six thousand, six hundred fifty".