1455138005 has 8 divisors (see below), whose sum is σ = 1746370392. Its totient is φ = 1163973888.

The previous prime is 1455137993. The next prime is 1455138019. The reversal of 1455138005 is 5008315541.

It can be written as a sum of positive squares in 4 ways, for example, as 84805681 + 1370332324 = 9209^2 + 37018^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1455138005 - 2¹² = 1455133909 is a prime.

It is a super-2 number, since 2×1455138005² = 4234853227190760050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74417 + ... + 91913.

It is an arithmetic number, because the mean of its divisors is an integer number (218296299).

Almost surely, 2^1455138005 is an apocalyptic number.

It is an amenable number.

1455138005 is a deficient number, since it is larger than the sum of its proper divisors (291232387).

1455138005 is a wasteful number, since it uses less digits than its factorization.

1455138005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34135.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 1455138005 is about 38146.2711808114. The cubic root of 1455138005 is about 1133.1865066903.

The spelling of 1455138005 in words is "one billion, four hundred fifty-five million, one hundred thirty-eight thousand, five".