145093842 has 72 divisors (see below), whose sum is σ = 344491056. Its totient is φ = 45763704.

The previous prime is 145093831. The next prime is 145093843. The reversal of 145093842 is 248390541.

145093842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 145093797 and 145093806.

It is not an unprimeable number, because it can be changed into a prime (145093843) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 175033 + ... + 175859.

It is an arithmetic number, because the mean of its divisors is an integer number (4784598).

Almost surely, 2^145093842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145093842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172245528).

145093842 is an abundant number, since it is smaller than the sum of its proper divisors (199397214).

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

145093842 is an equidigital number, since it uses as much as digits as its factorization.

145093842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882 (or 851 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 145093842 is about 12045.4905255037. The cubic root of 145093842 is about 525.4720977954.

The spelling of 145093842 in words is "one hundred forty-five million, ninety-three thousand, eight hundred forty-two".