145254142 has 8 divisors (see below), whose sum is σ = 237688632. Its totient is φ = 66024600.

The previous prime is 145254139. The next prime is 145254157. The reversal of 145254142 is 241452541.

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

It is a self number, because there is not a number n which added to its sum of digits gives 145254142.

It is a congruent number.

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, 3301209 + ... + 3301252.

It is an arithmetic number, because the mean of its divisors is an integer number (29711079).

Almost surely, 2^145254142 is an apocalyptic number.

145254142 is a deficient number, since it is larger than the sum of its proper divisors (92434490).

145254142 is a wasteful number, since it uses less digits than its factorization.

145254142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602474.

The product of its digits is 6400, while the sum is 28.

The square root of 145254142 is about 12052.1426310843. The cubic root of 145254142 is about 525.6655408223.

The spelling of 145254142 in words is "one hundred forty-five million, two hundred fifty-four thousand, one hundred forty-two".