145169842 has 8 divisors (see below), whose sum is σ = 229215600. Its totient is φ = 68764644.

The previous prime is 145169831. The next prime is 145169867. The reversal of 145169842 is 248961541.

145169842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145169795 and 145169804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1910092 + ... + 1910167.

It is an arithmetic number, because the mean of its divisors is an integer number (28651950).

Almost surely, 2^145169842 is an apocalyptic number.

145169842 is a deficient number, since it is larger than the sum of its proper divisors (84045758).

145169842 is a wasteful number, since it uses less digits than its factorization.

145169842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820280.

The product of its digits is 69120, while the sum is 40.

The square root of 145169842 is about 12048.6448200617. The cubic root of 145169842 is about 525.5638290228.

The spelling of 145169842 in words is "one hundred forty-five million, one hundred sixty-nine thousand, eight hundred forty-two".