145209862 has 16 divisors (see below), whose sum is σ = 250751520. Its totient is φ = 61777728.

The previous prime is 145209817. The next prime is 145209863. The reversal of 145209862 is 268902541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145209863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35937 + ... + 39772.

It is an arithmetic number, because the mean of its divisors is an integer number (15671970).

Almost surely, 2^145209862 is an apocalyptic number.

145209862 is a deficient number, since it is larger than the sum of its proper divisors (105541658).

145209862 is a wasteful number, since it uses less digits than its factorization.

145209862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75855.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 145209862 is about 12050.3054733065. The cubic root of 145209862 is about 525.6121198884.

The spelling of 145209862 in words is "one hundred forty-five million, two hundred nine thousand, eight hundred sixty-two".