145342101 has 4 divisors (see below), whose sum is σ = 193789472. Its totient is φ = 96894732.

The previous prime is 145342091. The next prime is 145342103. The reversal of 145342101 is 101243541.

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 145342101 - 2¹⁴ = 145325717 is a prime.

It is a super-2 number, since 2×145342101² = 42248652646188402, 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 (145342103) 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, 24223681 + ... + 24223686.

It is an arithmetic number, because the mean of its divisors is an integer number (48447368).

Almost surely, 2^145342101 is an apocalyptic number.

It is an amenable number.

145342101 is a deficient number, since it is larger than the sum of its proper divisors (48447371).

145342101 is an equidigital number, since it uses as much as digits as its factorization.

145342101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48447370.

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

The square root of 145342101 is about 12055.7911810051. The cubic root of 145342101 is about 525.7716254288.

Adding to 145342101 its reverse (101243541), we get a palindrome (246585642).

The spelling of 145342101 in words is "one hundred forty-five million, three hundred forty-two thousand, one hundred one".