1542450 has 96 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 322560.

The previous prime is 1542433. The next prime is 1542451. The reversal of 1542450 is 542451.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1542451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13594 + ... + 13706.

It is an arithmetic number, because the mean of its divisors is an integer number (49476).

2^1542450 is an apocalyptic number.

1542450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1542450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374848).

1542450 is an abundant number, since it is smaller than the sum of its proper divisors (3207246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1542450 is a wasteful number, since it uses less digits than its factorization.

1542450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1542450 is about 1241.9541054322. The cubic root of 1542450 is about 115.5412419949.

Subtracting from 1542450 its reverse (542451), we obtain a palindrome (999999).

The spelling of 1542450 in words is "one million, five hundred forty-two thousand, four hundred fifty".