145500042 has 16 divisors (see below), whose sum is σ = 308117952. Its totient is φ = 45647040.

The previous prime is 145500029. The next prime is 145500071. The reversal of 145500042 is 240005541.

It is a junction number, because it is equal to n+sod(n) for n = 145499991 and 145500018.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 713134 + ... + 713337.

It is an arithmetic number, because the mean of its divisors is an integer number (19257372).

Almost surely, 2^145500042 is an apocalyptic number.

145500042 is an abundant number, since it is smaller than the sum of its proper divisors (162617910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145500042 is a wasteful number, since it uses less digits than its factorization.

145500042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426493.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 145500042 is about 12062.3398227707. The cubic root of 145500042 is about 525.9620057662.

Adding to 145500042 its reverse (240005541), we get a palindrome (385505583).

The spelling of 145500042 in words is "one hundred forty-five million, five hundred thousand, forty-two".