145213041 has 4 divisors (see below), whose sum is σ = 193617392. Its totient is φ = 96808692.

The previous prime is 145213037. The next prime is 145213043. The reversal of 145213041 is 140312541.

145213041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 145213041 - 2² = 145213037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145212999 and 145213017.

It is not an unprimeable number, because it can be changed into a prime (145213043) 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, 24202171 + ... + 24202176.

It is an arithmetic number, because the mean of its divisors is an integer number (48404348).

Almost surely, 2^145213041 is an apocalyptic number.

It is an amenable number.

145213041 is a deficient number, since it is larger than the sum of its proper divisors (48404351).

145213041 is an equidigital number, since it uses as much as digits as its factorization.

145213041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48404350.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 145213041 is about 12050.4373779544. The cubic root of 145213041 is about 525.6159555065.

Adding to 145213041 its reverse (140312541), we get a palindrome (285525582).

The spelling of 145213041 in words is "one hundred forty-five million, two hundred thirteen thousand, forty-one".