145746042 has 32 divisors (see below), whose sum is σ = 314616960. Its totient is φ = 44744640.

The previous prime is 145746023. The next prime is 145746059. The reversal of 145746042 is 240647541.

It is a junction number, because it is equal to n+sod(n) for n = 145745994 and 145746012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37867 + ... + 41537.

It is an arithmetic number, because the mean of its divisors is an integer number (9831780).

Almost surely, 2^145746042 is an apocalyptic number.

145746042 is an abundant number, since it is smaller than the sum of its proper divisors (168870918).

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

145746042 is a wasteful number, since it uses less digits than its factorization.

145746042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 145746042 is about 12072.5325429257. The cubic root of 145746042 is about 526.2582572338.

The spelling of 145746042 in words is "one hundred forty-five million, seven hundred forty-six thousand, forty-two".