345145140454 has 8 divisors (see below), whose sum is σ = 523534763880. Its totient is φ = 170633552496.

The previous prime is 345145140451. The next prime is 345145140463. The reversal of 345145140454 is 454041541543.

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

It is a super-2 number, since 2×345145140454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345145140451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969508644 + ... + 969508999.

It is an arithmetic number, because the mean of its divisors is an integer number (65441845485).

Almost surely, 2^345145140454 is an apocalyptic number.

345145140454 is a deficient number, since it is larger than the sum of its proper divisors (178389623426).

345145140454 is a wasteful number, since it uses less digits than its factorization.

345145140454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939017734.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 345145140454 its reverse (454041541543), we get a palindrome (799186681997).

The spelling of 345145140454 in words is "three hundred forty-five billion, one hundred forty-five million, one hundred forty thousand, four hundred fifty-four".