145462215 has 8 divisors (see below), whose sum is σ = 232739568. Its totient is φ = 77579840.

The previous prime is 145462193. The next prime is 145462237. The reversal of 145462215 is 512264541.

It is an interprime number because it is at equal distance from previous prime (145462193) and next prime (145462237).

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

It is not a de Polignac number, because 145462215 - 2¹⁰ = 145461191 is a prime.

It is a super-3 number, since 3×145462215³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4848726 + ... + 4848755.

It is an arithmetic number, because the mean of its divisors is an integer number (29092446).

Almost surely, 2^145462215 is an apocalyptic number.

145462215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145462215 is a deficient number, since it is larger than the sum of its proper divisors (87277353).

145462215 is an equidigital number, since it uses as much as digits as its factorization.

145462215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697489.

The product of its digits is 9600, while the sum is 30.

The square root of 145462215 is about 12060.7717414766. The cubic root of 145462215 is about 525.9164220699.

It can be divided in two parts, 14546 and 2215, that added together give a palindrome (16761).

The spelling of 145462215 in words is "one hundred forty-five million, four hundred sixty-two thousand, two hundred fifteen".