1454138169 has 16 divisors (see below), whose sum is σ = 2116122624. Its totient is φ = 880874000.

The previous prime is 1454138167. The next prime is 1454138207. The reversal of 1454138169 is 9618314541.

It is a cyclic number.

It is not a de Polignac number, because 1454138169 - 2¹ = 1454138167 is a prime.

It is a super-2 number, since 2×1454138169² = 4229035629085345122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1454138169.

It is not an unprimeable number, because it can be changed into a prime (1454138167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68212 + ... + 86954.

It is an arithmetic number, because the mean of its divisors is an integer number (132257664).

Almost surely, 2^1454138169 is an apocalyptic number.

It is an amenable number.

1454138169 is a deficient number, since it is larger than the sum of its proper divisors (661984455).

1454138169 is a wasteful number, since it uses less digits than its factorization.

1454138169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21108.

The product of its digits is 103680, while the sum is 42.

The square root of 1454138169 is about 38133.1636374429. The cubic root of 1454138169 is about 1132.9269069691.

It can be divided in two parts, 145 and 4138169, that added together give a palindrome (4138314).

The spelling of 1454138169 in words is "one billion, four hundred fifty-four million, one hundred thirty-eight thousand, one hundred sixty-nine".