1420146151 has 4 divisors (see below), whose sum is σ = 1454783904. Its totient is φ = 1385508400.

The previous prime is 1420146149. The next prime is 1420146163. The reversal of 1420146151 is 1516410241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420146151 - 2¹ = 1420146149 is a prime.

It is a super-2 number, since 2×1420146151² = 4033630180400229602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420146121) 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, 17318815 + ... + 17318896.

It is an arithmetic number, because the mean of its divisors is an integer number (363695976).

Almost surely, 2^1420146151 is an apocalyptic number.

1420146151 is a deficient number, since it is larger than the sum of its proper divisors (34637753).

1420146151 is an equidigital number, since it uses as much as digits as its factorization.

1420146151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34637752.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1420146151 is about 37684.8265353577. The cubic root of 1420146151 is about 1124.0294248850.

Adding to 1420146151 its reverse (1516410241), we get a palindrome (2936556392).

The spelling of 1420146151 in words is "one billion, four hundred twenty million, one hundred forty-six thousand, one hundred fifty-one".