145227742 has 8 divisors (see below), whose sum is σ = 237645432. Its totient is φ = 66012600.

The previous prime is 145227689. The next prime is 145227743. The reversal of 145227742 is 247722541.

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 = 145227698 and 145227707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145227743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300609 + ... + 3300652.

It is an arithmetic number, because the mean of its divisors is an integer number (29705679).

Almost surely, 2^145227742 is an apocalyptic number.

145227742 is a deficient number, since it is larger than the sum of its proper divisors (92417690).

145227742 is a wasteful number, since it uses less digits than its factorization.

145227742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6601274.

The product of its digits is 31360, while the sum is 34.

The square root of 145227742 is about 12051.0473403767. The cubic root of 145227742 is about 525.6336922501.

The spelling of 145227742 in words is "one hundred forty-five million, two hundred twenty-seven thousand, seven hundred forty-two".