145177142 has 8 divisors (see below), whose sum is σ = 237562632. Its totient is φ = 65989600.

The previous prime is 145177121. The next prime is 145177163. The reversal of 145177142 is 241771541.

145177142 is digitally balanced in base 2, 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 (145177121) and next prime (145177163).

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 = 145177099 and 145177108.

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, 3299459 + ... + 3299502.

It is an arithmetic number, because the mean of its divisors is an integer number (29695329).

Almost surely, 2^145177142 is an apocalyptic number.

145177142 is a deficient number, since it is larger than the sum of its proper divisors (92385490).

145177142 is a wasteful number, since it uses less digits than its factorization.

145177142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598974.

The product of its digits is 7840, while the sum is 32.

The square root of 145177142 is about 12048.9477548871. The cubic root of 145177142 is about 525.5726383632.

The spelling of 145177142 in words is "one hundred forty-five million, one hundred seventy-seven thousand, one hundred forty-two".