1451145 has 16 divisors (see below), whose sum is σ = 2350080. Its totient is φ = 764544.

The previous prime is 1451143. The next prime is 1451147. The reversal of 1451145 is 5411541.

It is an interprime number because it is at equal distance from previous prime (1451143) and next prime (1451147).

It is not a de Polignac number, because 1451145 - 2¹ = 1451143 is a prime.

It is a super-2 number, since 2×1451145² = 4211643622050, which contains 22 as substring.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1451143) 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, 792 + ... + 1878.

It is an arithmetic number, because the mean of its divisors is an integer number (146880).

2^1451145 is an apocalyptic number.

1451145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1451145 is a deficient number, since it is larger than the sum of its proper divisors (898935).

1451145 is a wasteful number, since it uses less digits than its factorization.

1451145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its digits is 400, while the sum is 21.

The square root of 1451145 is about 1204.6347994309. The cubic root of 1451145 is about 113.2149041629.

Adding to 1451145 its reverse (5411541), we get a palindrome (6862686).

It can be divided in two parts, 1451 and 145, that added together give a triangular number (1596 = T₅₆).

The spelling of 1451145 in words is "one million, four hundred fifty-one thousand, one hundred forty-five".