145404420354 has 16 divisors (see below), whose sum is σ = 323120934240. Its totient is φ = 48468140100.

The previous prime is 145404420353. The next prime is 145404420379. The reversal of 145404420354 is 453024404541.

145404420354 is a `hidden beast` number, since 1 + 4 + 540 + 44 + 20 + 3 + 54 = 666.

145404420354 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145404420354² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145404420353) 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, 1346337172 + ... + 1346337279.

It is an arithmetic number, because the mean of its divisors is an integer number (20195058390).

Almost surely, 2^145404420354 is an apocalyptic number.

145404420354 is an abundant number, since it is smaller than the sum of its proper divisors (177716513886).

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

145404420354 is a wasteful number, since it uses less digits than its factorization.

145404420354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692674462 (or 2692674456 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 145404420354 its reverse (453024404541), we get a palindrome (598428824895).

The spelling of 145404420354 in words is "one hundred forty-five billion, four hundred four million, four hundred twenty thousand, three hundred fifty-four".