145100042 has 8 divisors (see below), whose sum is σ = 217725600. Its totient is φ = 72524844.

The previous prime is 145100041. The next prime is 145100047. The reversal of 145100042 is 240001541.

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 (145100041) 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, 4292 + ... + 17567.

It is an arithmetic number, because the mean of its divisors is an integer number (27215700).

Almost surely, 2^145100042 is an apocalyptic number.

145100042 is a deficient number, since it is larger than the sum of its proper divisors (72625558).

145100042 is a wasteful number, since it uses less digits than its factorization.

145100042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25180.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 145100042 is about 12045.7478804763. The cubic root of 145100042 is about 525.4795823322.

Adding to 145100042 its reverse (240001541), we get a palindrome (385101583).

The spelling of 145100042 in words is "one hundred forty-five million, one hundred thousand, forty-two".