145420004133 has 12 divisors (see below), whose sum is σ = 217830788448. Its totient is φ = 96946669260.

The previous prime is 145420004117. The next prime is 145420004137. The reversal of 145420004133 is 331400024541.

It is a happy number.

145420004133 is a `hidden beast` number, since 1 + 45 + 4 + 200 + 0 + 413 + 3 = 666.

It is not a de Polignac number, because 145420004133 - 2⁴ = 145420004117 is a prime.

It is a super-2 number, since 2×145420004133² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 145420004097 and 145420004106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145420004137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299217873 + ... + 299218358.

It is an arithmetic number, because the mean of its divisors is an integer number (18152565704).

Almost surely, 2^145420004133 is an apocalyptic number.

It is an amenable number.

145420004133 is a deficient number, since it is larger than the sum of its proper divisors (72410784315).

145420004133 is an frugal number, since it uses more digits than its factorization.

145420004133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598436246 (or 598436234 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 145420004133 its reverse (331400024541), we get a palindrome (476820028674).

The spelling of 145420004133 in words is "one hundred forty-five billion, four hundred twenty million, four thousand, one hundred thirty-three".