145262042 has 8 divisors (see below), whose sum is σ = 230710356. Its totient is φ = 68358592.

The previous prime is 145262009. The next prime is 145262053. The reversal of 145262042 is 240262541.

It can be written as a sum of positive squares in 2 ways, for example, as 143304841 + 1957201 = 11971^2 + 1399^2 .

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

It is a super-2 number, since 2×145262042² = 42202121692019528, which contains 22 as substring.

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, 2136173 + ... + 2136240.

Almost surely, 2^145262042 is an apocalyptic number.

145262042 is a deficient number, since it is larger than the sum of its proper divisors (85448314).

145262042 is a wasteful number, since it uses less digits than its factorization.

145262042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272432.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 145262042 is about 12052.4703691816. The cubic root of 145262042 is about 525.6750705161.

The spelling of 145262042 in words is "one hundred forty-five million, two hundred sixty-two thousand, forty-two".