145277338 has 8 divisors (see below), whose sum is σ = 227390688. Its totient is φ = 69480444.

The previous prime is 145277333. The next prime is 145277339. The reversal of 145277338 is 833772541.

It is a happy number.

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

It is a super-2 number, since 2×145277338² = 42211009872732488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145277338.

It is not an unprimeable number, because it can be changed into a prime (145277333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1579056 + ... + 1579147.

It is an arithmetic number, because the mean of its divisors is an integer number (28423836).

Almost surely, 2^145277338 is an apocalyptic number.

145277338 is a deficient number, since it is larger than the sum of its proper divisors (82113350).

145277338 is a wasteful number, since it uses less digits than its factorization.

145277338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3158228.

The product of its digits is 141120, while the sum is 40.

The square root of 145277338 is about 12053.1049111837. The cubic root of 145277338 is about 525.6935209513.

The spelling of 145277338 in words is "one hundred forty-five million, two hundred seventy-seven thousand, three hundred thirty-eight".