145203051 has 8 divisors (see below), whose sum is σ = 221261824. Its totient is φ = 82973160.

The previous prime is 145203049. The next prime is 145203053. The reversal of 145203051 is 150302541.

It is an interprime number because it is at equal distance from previous prime (145203049) and next prime (145203053).

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

It is not a de Polignac number, because 145203051 - 2¹ = 145203049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 6914431 = 145203051 / (1 + 4 + 5 + 2 + 0 + 3 + 0 + 5 + 1).

It is not an unprimeable number, because it can be changed into a prime (145203053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3457195 + ... + 3457236.

It is an arithmetic number, because the mean of its divisors is an integer number (27657728).

Almost surely, 2^145203051 is an apocalyptic number.

145203051 is a deficient number, since it is larger than the sum of its proper divisors (76058773).

145203051 is an equidigital number, since it uses as much as digits as its factorization.

145203051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6914441.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 145203051 is about 12050.0228630488. The cubic root of 145203051 is about 525.6039018971.

Adding to 145203051 its reverse (150302541), we get a palindrome (295505592).

It can be divided in two parts, 14520 and 3051, that added together give a palindrome (17571).

The spelling of 145203051 in words is "one hundred forty-five million, two hundred three thousand, fifty-one".