145151242 has 8 divisors (see below), whose sum is σ = 217856736. Its totient is φ = 72532332.

The previous prime is 145151231. The next prime is 145151249. The reversal of 145151242 is 242151541.

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

It is not an unprimeable number, because it can be changed into a prime (145151249) 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, 17278 + ... + 24265.

It is an arithmetic number, because the mean of its divisors is an integer number (27232092).

Almost surely, 2^145151242 is an apocalyptic number.

145151242 is a deficient number, since it is larger than the sum of its proper divisors (72705494).

145151242 is a wasteful number, since it uses less digits than its factorization.

145151242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43292.

The product of its digits is 1600, while the sum is 25.

The square root of 145151242 is about 12047.8729242966. The cubic root of 145151242 is about 525.5413819714.

The spelling of 145151242 in words is "one hundred forty-five million, one hundred fifty-one thousand, two hundred forty-two".