146400001 has 4 divisors (see below), whose sum is σ = 159709104. Its totient is φ = 133090900.

The previous prime is 146399989. The next prime is 146400013. The reversal of 146400001 is 100004641.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100004641 = 11 ⋅9091331.

It is an interprime number because it is at equal distance from previous prime (146399989) and next prime (146400013).

It is a cyclic number.

It is not a de Polignac number, because 146400001 - 2⁷ = 146399873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146400031) 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, 6654535 + ... + 6654556.

It is an arithmetic number, because the mean of its divisors is an integer number (39927276).

Almost surely, 2^146400001 is an apocalyptic number.

146400001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146400001 is a deficient number, since it is larger than the sum of its proper divisors (13309103).

146400001 is a wasteful number, since it uses less digits than its factorization.

146400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13309102.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 146400001 is about 12099.5868111271. The cubic root of 146400001 is about 527.0441856549.

Adding to 146400001 its reverse (100004641), we get a palindrome (246404642).

The spelling of 146400001 in words is "one hundred forty-six million, four hundred thousand, one".