155243414 has 16 divisors (see below), whose sum is σ = 249143280. Its totient is φ = 72329760.

The previous prime is 155243393. The next prime is 155243419. The reversal of 155243414 is 414342551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155243419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31169 + ... + 35804.

It is an arithmetic number, because the mean of its divisors is an integer number (15571455).

Almost surely, 2^155243414 is an apocalyptic number.

155243414 is a deficient number, since it is larger than the sum of its proper divisors (93899866).

155243414 is a wasteful number, since it uses less digits than its factorization.

155243414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67055.

The product of its digits is 9600, while the sum is 29.

The square root of 155243414 is about 12459.6715044980. The cubic root of 155243414 is about 537.4495805600.

Adding to 155243414 its reverse (414342551), we get a palindrome (569585965).

The spelling of 155243414 in words is "one hundred fifty-five million, two hundred forty-three thousand, four hundred fourteen".