145040042101 has 8 divisors (see below), whose sum is σ = 151360934400. Its totient is φ = 138720383472.

The previous prime is 145040042099. The next prime is 145040042107. The reversal of 145040042101 is 101240040541.

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

It is a cyclic number.

It is not a de Polignac number, because 145040042101 - 2¹ = 145040042099 is a prime.

It is a super-2 number, since 2×145040042101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145040042107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64030 + ... + 542383.

It is an arithmetic number, because the mean of its divisors is an integer number (18920116800).

Almost surely, 2^145040042101 is an apocalyptic number.

It is an amenable number.

145040042101 is a deficient number, since it is larger than the sum of its proper divisors (6320892299).

145040042101 is a wasteful number, since it uses less digits than its factorization.

145040042101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616835.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 145040042101 its reverse (101240040541), we get a palindrome (246280082642).

The spelling of 145040042101 in words is "one hundred forty-five billion, forty million, forty-two thousand, one hundred one".