145340042 has 8 divisors (see below), whose sum is σ = 218160000. Its totient is φ = 72620044.

The previous prime is 145340023. The next prime is 145340051. The reversal of 145340042 is 240043541.

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

It is a super-2 number, since 2×145340042² = 42247455617123528, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21242 + ... + 27237.

It is an arithmetic number, because the mean of its divisors is an integer number (27270000).

Almost surely, 2^145340042 is an apocalyptic number.

145340042 is a deficient number, since it is larger than the sum of its proper divisors (72819958).

145340042 is a wasteful number, since it uses less digits than its factorization.

145340042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49980.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 145340042 is about 12055.7057860583. The cubic root of 145340042 is about 525.7691426224.

Adding to 145340042 its reverse (240043541), we get a palindrome (385383583).

The spelling of 145340042 in words is "one hundred forty-five million, three hundred forty thousand, forty-two".