345781400133 has 32 divisors (see below), whose sum is σ = 506021281920. Its totient is φ = 208713173760.

The previous prime is 345781400131. The next prime is 345781400143. The reversal of 345781400133 is 331004187543.

It is not a de Polignac number, because 345781400133 - 2¹ = 345781400131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 345781400091 and 345781400100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345781400131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7706143 + ... + 7750883.

It is an arithmetic number, because the mean of its divisors is an integer number (15813165060).

Almost surely, 2^345781400133 is an apocalyptic number.

It is an amenable number.

345781400133 is a deficient number, since it is larger than the sum of its proper divisors (160239881787).

345781400133 is a wasteful number, since it uses less digits than its factorization.

345781400133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48549.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 345781400133 its reverse (331004187543), we get a palindrome (676785587676).

The spelling of 345781400133 in words is "three hundred forty-five billion, seven hundred eighty-one million, four hundred thousand, one hundred thirty-three".